64590005400 has 96 divisors (see below), whose sum is σ = 200308637760. Its totient is φ = 17217152640.

The previous prime is 64590005387. The next prime is 64590005429. The reversal of 64590005400 is 450009546.

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 23 ways as a sum of consecutive naturals, for example, 1589739 + ... + 1629861.

It is an arithmetic number, because the mean of its divisors is an integer number (2086548310).

Almost surely, 2^64590005400 is an apocalyptic number.

64590005400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64590005400 is an abundant number, since it is smaller than the sum of its proper divisors (135718632360).

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

64590005400 is a wasteful number, since it uses less digits than its factorization.

64590005400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42825 (or 42816 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 64590005400 in words is "sixty-four billion, five hundred ninety million, five thousand, four hundred".