39104520864 has 48 divisors (see below), whose sum is σ = 104055541632. Its totient is φ = 12856278528.

The previous prime is 39104520821. The next prime is 39104520899. The reversal of 39104520864 is 46802540193.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×39104520864² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782984 + ... + 2796999.

It is an arithmetic number, because the mean of its divisors is an integer number (2167823784).

Almost surely, 2^39104520864 is an apocalyptic number.

It is an amenable number.

39104520864 is an abundant number, since it is smaller than the sum of its proper divisors (64951020768).

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

39104520864 is a wasteful number, since it uses less digits than its factorization.

39104520864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580069 (or 5580061 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 39104520864 in words is "thirty-nine billion, one hundred four million, five hundred twenty thousand, eight hundred sixty-four".