39916323870 has 16 divisors (see below), whose sum is σ = 95799177360. Its totient is φ = 10644353024.

The previous prime is 39916323851. The next prime is 39916323871. The reversal of 39916323870 is 7832361993.

It is a super-2 number, since 2×39916323870² (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 (39916323871) 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, 665272035 + ... + 665272094.

It is an arithmetic number, because the mean of its divisors is an integer number (5987448585).

Almost surely, 2^39916323870 is an apocalyptic number.

39916323870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39916323870 is an abundant number, since it is smaller than the sum of its proper divisors (55882853490).

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

39916323870 is a wasteful number, since it uses less digits than its factorization.

39916323870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330544139.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 39916323870 in words is "thirty-nine billion, nine hundred sixteen million, three hundred twenty-three thousand, eight hundred seventy".