39055531968 has 56 divisors (see below), whose sum is σ = 114816036560. Its totient is φ = 13018510080.

The previous prime is 39055531967. The next prime is 39055531973. The reversal of 39055531968 is 86913555093.

It is a happy number.

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 (39055531967) by changing a digit.

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, 11299063 + ... + 11302518.

Almost surely, 2^39055531968 is an apocalyptic number.

It is an amenable number.

39055531968 is an abundant number, since it is smaller than the sum of its proper divisors (75760504592).

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

39055531968 is a wasteful number, since it uses less digits than its factorization.

39055531968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22601602 (or 22601586 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 39055531968 in words is "thirty-nine billion, fifty-five million, five hundred thirty-one thousand, nine hundred sixty-eight".