39364686464 has 64 divisors (see below), whose sum is σ = 85060319400. Its totient is φ = 18072698880.

The previous prime is 39364686463. The next prime is 39364686467. The reversal of 39364686464 is 46468646393.

It can be written as a sum of positive squares in 4 ways, for example, as 17211340864 + 22153345600 = 131192^2 + 148840^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (39364686463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131399 + ... + 309830.

Almost surely, 2^39364686464 is an apocalyptic number.

39364686464 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39364686464 is an abundant number, since it is smaller than the sum of its proper divisors (45695632936).

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

39364686464 is a wasteful number, since it uses less digits than its factorization.

39364686464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441301 (or 441289 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 59.

The spelling of 39364686464 in words is "thirty-nine billion, three hundred sixty-four million, six hundred eighty-six thousand, four hundred sixty-four".