40401313612 has 24 divisors (see below), whose sum is σ = 77166153792. Its totient is φ = 18355573200.

The previous prime is 40401313597. The next prime is 40401313691. The reversal of 40401313612 is 21631310404.

It is a super-2 number, since 2×40401313612² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 121678 + ... + 309205.

It is an arithmetic number, because the mean of its divisors is an integer number (3215256408).

Almost surely, 2^40401313612 is an apocalyptic number.

It is an amenable number.

40401313612 is a deficient number, since it is larger than the sum of its proper divisors (36764840180).

40401313612 is a wasteful number, since it uses less digits than its factorization.

40401313612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433029 (or 433027 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 40401313612 in words is "forty billion, four hundred one million, three hundred thirteen thousand, six hundred twelve".