64624845080 has 16 divisors (see below), whose sum is σ = 145405901520. Its totient is φ = 25849938016.

The previous prime is 64624845059. The next prime is 64624845097. The reversal of 64624845080 is 8054842646.

It is a super-2 number, since 2×64624845080² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 807810524 + ... + 807810603.

It is an arithmetic number, because the mean of its divisors is an integer number (9087868845).

Almost surely, 2^64624845080 is an apocalyptic number.

It is an amenable number.

64624845080 is an abundant number, since it is smaller than the sum of its proper divisors (80781056440).

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

64624845080 is a wasteful number, since it uses less digits than its factorization.

64624845080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615621138 (or 1615621134 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 64624845080 in words is "sixty-four billion, six hundred twenty-four million, eight hundred forty-five thousand, eighty".