39815796936 has 16 divisors (see below), whose sum is σ = 99539492400. Its totient is φ = 13271932304.

The previous prime is 39815796931. The next prime is 39815796971. The reversal of 39815796936 is 63969751893.

It is not an unprimeable number, because it can be changed into a prime (39815796931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829495746 + ... + 829495793.

It is an arithmetic number, because the mean of its divisors is an integer number (6221218275).

Almost surely, 2^39815796936 is an apocalyptic number.

It is an amenable number.

39815796936 is an abundant number, since it is smaller than the sum of its proper divisors (59723695464).

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

39815796936 is a wasteful number, since it uses less digits than its factorization.

39815796936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658991548 (or 1658991544 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 66.

The spelling of 39815796936 in words is "thirty-nine billion, eight hundred fifteen million, seven hundred ninety-six thousand, nine hundred thirty-six".