Search a number
-
+
40221210162 = 23719122941011
BaseRepresentation
bin100101011101010111…
…101111011000110010
310211211002022011210110
4211131113233120302
51124333112211122
630251040042150
72622501434250
oct453527573062
9124732264713
1040221210162
111606a908561
127966003356
133a3cb54a53
141d37b115d0
1510a613090c
hex95d5ef632

40221210162 has 64 divisors (see below), whose sum is σ = 96853939200. Its totient is φ = 10877820480.

The previous prime is 40221210151. The next prime is 40221210173. The reversal of 40221210162 is 26101212204.

It is an interprime number because it is at equal distance from previous prime (40221210151) and next prime (40221210173).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960237 + ... + 1001247.

It is an arithmetic number, because the mean of its divisors is an integer number (1513342800).

Almost surely, 240221210162 is an apocalyptic number.

40221210162 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40221210162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48426969600).

40221210162 is an abundant number, since it is smaller than the sum of its proper divisors (56632729038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40221210162 is a wasteful number, since it uses less digits than its factorization.

40221210162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42271.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 40221210162 its reverse (26101212204), we get a palindrome (66322422366).

The spelling of 40221210162 in words is "forty billion, two hundred twenty-one million, two hundred ten thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 1229 2458 3687 7374 8603 17206 23351 25809 41011 46702 51618 70053 82022 123033 140106 163457 246066 287077 326914 490371 574154 779209 861231 980742 1558418 1722462 2337627 4675254 5454463 10908926 16363389 32726778 50402519 100805038 151207557 302415114 352817633 705635266 957647861 1058452899 1915295722 2116905798 2872943583 5745887166 6703535027 13407070054 20110605081 40221210162