39402405112 has 32 divisors (see below), whose sum is σ = 89400417120. Its totient is φ = 15893406720.

The previous prime is 39402405103. The next prime is 39402405113. The reversal of 39402405112 is 21150420493.

39402405112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39402405112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39402405113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20693589 + ... + 20695492.

It is an arithmetic number, because the mean of its divisors is an integer number (2793763035).

Almost surely, 2^39402405112 is an apocalyptic number.

It is an amenable number.

39402405112 is an abundant number, since it is smaller than the sum of its proper divisors (49998012008).

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

39402405112 is a wasteful number, since it uses less digits than its factorization.

39402405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41389111 (or 41389107 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 39402405112 in words is "thirty-nine billion, four hundred two million, four hundred five thousand, one hundred twelve".