39799479072 has 48 divisors (see below), whose sum is σ = 104601091392. Its totient is φ = 13250307840.

The previous prime is 39799479067. The next prime is 39799479077. The reversal of 39799479072 is 27097499793.

It is an interprime number because it is at equal distance from previous prime (39799479067) and next prime (39799479077).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 39799478994 and 39799479012.

It is not an unprimeable number, because it can be changed into a prime (39799479077) 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, 173668 + ... + 331299.

It is an arithmetic number, because the mean of its divisors is an integer number (2179189404).

Almost surely, 2^39799479072 is an apocalyptic number.

39799479072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39799479072 is an abundant number, since it is smaller than the sum of its proper divisors (64801612320).

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

39799479072 is a wasteful number, since it uses less digits than its factorization.

39799479072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505801 (or 505793 counting only the distinct ones).

The product of its (nonzero) digits is 54010152, while the sum is 66.

The spelling of 39799479072 in words is "thirty-nine billion, seven hundred ninety-nine million, four hundred seventy-nine thousand, seventy-two".