64624936332 has 48 divisors (see below), whose sum is σ = 165361158144. Its totient is φ = 19480776000.

The previous prime is 64624936301. The next prime is 64624936333. The reversal of 64624936332 is 23363942646.

64624936332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64624936332² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64624936333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256419 + ... + 1306842.

It is an arithmetic number, because the mean of its divisors is an integer number (3445024128).

Almost surely, 2^64624936332 is an apocalyptic number.

It is an amenable number.

64624936332 is an abundant number, since it is smaller than the sum of its proper divisors (100736221812).

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

64624936332 is a wasteful number, since it uses less digits than its factorization.

64624936332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563470 (or 2563468 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 48.

The spelling of 64624936332 in words is "sixty-four billion, six hundred twenty-four million, nine hundred thirty-six thousand, three hundred thirty-two".