Search a number
-
+
40221240430 = 2574943116243
BaseRepresentation
bin100101011101010111…
…110110110001101110
310211211002100201022111
4211131113312301232
51124333114143210
630251040434234
72622501621430
oct453527666156
9124732321274
1040221240430
111606a929278
12796601897a
133a3cb65767
141d37b1c650
1510a613988a
hex95d5f6c6e

40221240430 has 32 divisors (see below), whose sum is σ = 82758288384. Its totient is φ = 13787231136.

The previous prime is 40221240421. The next prime is 40221240443. The reversal of 40221240430 is 3404212204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287889 + ... + 404131.

It is an arithmetic number, because the mean of its divisors is an integer number (2586196512).

Almost surely, 240221240430 is an apocalyptic number.

40221240430 is an abundant number, since it is smaller than the sum of its proper divisors (42537047954).

40221240430 is a wasteful number, since it uses less digits than its factorization.

40221240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121200.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40221240430 its reverse (3404212204), we get a palindrome (43625452634).

The spelling of 40221240430 in words is "forty billion, two hundred twenty-one million, two hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 4943 9886 24715 34601 49430 69202 116243 173005 232486 346010 581215 813701 1162430 1627402 4068505 8137010 574589149 1149178298 2872945745 4022124043 5745891490 8044248086 20110620215 40221240430