39507378912 has 48 divisors (see below), whose sum is σ = 115229857680. Its totient is φ = 13169126016.

The previous prime is 39507378907. The next prime is 39507378913. The reversal of 39507378912 is 21987370593.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39507378913) 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, 22862203 + ... + 22863930.

It is an arithmetic number, because the mean of its divisors is an integer number (2400622035).

Almost surely, 2^39507378912 is an apocalyptic number.

39507378912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39507378912 is an abundant number, since it is smaller than the sum of its proper divisors (75722478768).

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

39507378912 is a wasteful number, since it uses less digits than its factorization.

39507378912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45726152 (or 45726138 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 39507378912 in words is "thirty-nine billion, five hundred seven million, three hundred seventy-eight thousand, nine hundred twelve".