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40223120130 = 23451723891427
BaseRepresentation
bin100101011101011111…
…000001101100000010
310211211012220012210000
4211131133001230002
51124334104321010
630251145020430
72622523610544
oct453537015402
9124735805700
1040223120130
11160709a2546
127966784716
133a403731cb
141d3808b694
1510a63ab7c0
hex95d7c1b02

40223120130 has 320 divisors, whose sum is σ = 120923953920. Its totient is φ = 9541103616.

The previous prime is 40223120081. The next prime is 40223120143. The reversal of 40223120130 is 3102132204.

40223120130 is a `hidden beast` number, since 402 + 2 + 31 + 201 + 30 = 666.

It is a super-2 number, since 2×402231201302 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 28186477 + ... + 28187903.

It is an arithmetic number, because the mean of its divisors is an integer number (377887356).

Almost surely, 240223120130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40223120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60461976960).

40223120130 is an abundant number, since it is smaller than the sum of its proper divisors (80700833790).

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

40223120130 is a wasteful number, since it uses less digits than its factorization.

40223120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 40223120130 its reverse (3102132204), we get a palindrome (43325252334).

The spelling of 40223120130 in words is "forty billion, two hundred twenty-three million, one hundred twenty thousand, one hundred thirty".