39907002642 has 32 divisors (see below), whose sum is σ = 87575318208. Its totient is φ = 12047395776.

The previous prime is 39907002613. The next prime is 39907002701. The reversal of 39907002642 is 24620070993.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39907002594 and 39907002603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4822548 + ... + 4830815.

It is an arithmetic number, because the mean of its divisors is an integer number (2736728694).

Almost surely, 2^39907002642 is an apocalyptic number.

39907002642 is an abundant number, since it is smaller than the sum of its proper divisors (47668315566).

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

39907002642 is a wasteful number, since it uses less digits than its factorization.

39907002642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653434.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 39907002642 in words is "thirty-nine billion, nine hundred seven million, two thousand, six hundred forty-two".