39907640158 has 16 divisors (see below), whose sum is σ = 60660000000. Its totient is φ = 19687980312.

The previous prime is 39907640119. The next prime is 39907640189. The reversal of 39907640158 is 85104670993.

It is a happy number.

39907640158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152593 + ... + 321091.

It is an arithmetic number, because the mean of its divisors is an integer number (3791250000).

Almost surely, 2^39907640158 is an apocalyptic number.

39907640158 is a deficient number, since it is larger than the sum of its proper divisors (20752359842).

39907640158 is a wasteful number, since it uses less digits than its factorization.

39907640158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170079.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 39907640158 in words is "thirty-nine billion, nine hundred seven million, six hundred forty thousand, one hundred fifty-eight".