39144089936 has 20 divisors (see below), whose sum is σ = 86676199392. Its totient is φ = 16776038496.

The previous prime is 39144089879. The next prime is 39144089977. The reversal of 39144089936 is 63998044193.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174750290 + ... + 174750513.

Almost surely, 2^39144089936 is an apocalyptic number.

It is an amenable number.

39144089936 is an abundant number, since it is smaller than the sum of its proper divisors (47532109456).

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

39144089936 is a wasteful number, since it uses less digits than its factorization.

39144089936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349500818 (or 349500812 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 39144089936 in words is "thirty-nine billion, one hundred forty-four million, eighty-nine thousand, nine hundred thirty-six".