39925158090 has 64 divisors (see below), whose sum is σ = 101506227840. Its totient is φ = 10022088960.

The previous prime is 39925158073. The next prime is 39925158113. The reversal of 39925158090 is 9085152993.

It is a super-2 number, since 2×39925158090² (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 31 ways as a sum of consecutive naturals, for example, 133581 + ... + 312560.

It is an arithmetic number, because the mean of its divisors is an integer number (1586034810).

Almost surely, 2^39925158090 is an apocalyptic number.

39925158090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39925158090 is an abundant number, since it is smaller than the sum of its proper divisors (61581069750).

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

39925158090 is a wasteful number, since it uses less digits than its factorization.

39925158090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446327.

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 39925158090 in words is "thirty-nine billion, nine hundred twenty-five million, one hundred fifty-eight thousand, ninety".