64253415884280 has 96 divisors (see below), whose sum is σ = 224231308514640. Its totient is φ = 14686495057920.

The previous prime is 64253415884263. The next prime is 64253415884291. The reversal of 64253415884280 is 8248851435246.

It is a super-2 number, since 2×64253415884280² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5463719961 + ... + 5463731720.

Almost surely, 2^{64253415884280} is an apocalyptic number.

64253415884280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64253415884280 is an abundant number, since it is smaller than the sum of its proper divisors (159977892630360).

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

64253415884280 is a wasteful number, since it uses less digits than its factorization.

64253415884280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10927451709 (or 10927451698 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 60.

The spelling of 64253415884280 in words is "sixty-four trillion, two hundred fifty-three billion, four hundred fifteen million, eight hundred eighty-four thousand, two hundred eighty".