39923808660 has 96 divisors (see below), whose sum is σ = 124245381120. Its totient is φ = 10643094144.

The previous prime is 39923808611. The next prime is 39923808703. The reversal of 39923808660 is 6680832993.

39923808660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 39923808597 and 39923808606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2132862 + ... + 2151498.

It is an arithmetic number, because the mean of its divisors is an integer number (1294222720).

Almost surely, 2^39923808660 is an apocalyptic number.

39923808660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39923808660 is an abundant number, since it is smaller than the sum of its proper divisors (84321572460).

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

39923808660 is a wasteful number, since it uses less digits than its factorization.

39923808660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22622 (or 22614 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 39923808660 in words is "thirty-nine billion, nine hundred twenty-three million, eight hundred eight thousand, six hundred sixty".