39919938036 has 48 divisors (see below), whose sum is σ = 103977527808. Its totient is φ = 11815624800.

The previous prime is 39919938029. The next prime is 39919938043. The reversal of 39919938036 is 63083991993.

It is an interprime number because it is at equal distance from previous prime (39919938029) and next prime (39919938043).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510880 + ... + 3522231.

It is an arithmetic number, because the mean of its divisors is an integer number (2166198496).

Almost surely, 2^39919938036 is an apocalyptic number.

It is an amenable number.

39919938036 is an abundant number, since it is smaller than the sum of its proper divisors (64057589772).

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

39919938036 is a wasteful number, since it uses less digits than its factorization.

39919938036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033172 (or 7033170 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 60.

The spelling of 39919938036 in words is "thirty-nine billion, nine hundred nineteen million, nine hundred thirty-eight thousand, thirty-six".