39012740436 has 24 divisors (see below), whose sum is σ = 92388382240. Its totient is φ = 12810153312.

The previous prime is 39012740423. The next prime is 39012740443. The reversal of 39012740436 is 63404721093.

It is a junction number, because it is equal to n+sod(n) for n = 39012740394 and 39012740403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24260851 + ... + 24262458.

Almost surely, 2^39012740436 is an apocalyptic number.

It is an amenable number.

39012740436 is an abundant number, since it is smaller than the sum of its proper divisors (53375641804).

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

39012740436 is a wasteful number, since it uses less digits than its factorization.

39012740436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48523383 (or 48523381 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 39012740436 in words is "thirty-nine billion, twelve million, seven hundred forty thousand, four hundred thirty-six".