386864400540 has 48 divisors (see below), whose sum is σ = 1083467750400. Its totient is φ = 103140275520.

The previous prime is 386864400529. The next prime is 386864400557. The reversal of 386864400540 is 45004468683.

It is a self number, because there is not a number n which added to its sum of digits gives 386864400540.

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 15 ways as a sum of consecutive naturals, for example, 470740 + ... + 997659.

It is an arithmetic number, because the mean of its divisors is an integer number (22572244800).

Almost surely, 2^386864400540 is an apocalyptic number.

386864400540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

386864400540 is an abundant number, since it is smaller than the sum of its proper divisors (696603349860).

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

386864400540 is a wasteful number, since it uses less digits than its factorization.

386864400540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472802 (or 1472800 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 386864400540 in words is "three hundred eighty-six billion, eight hundred sixty-four million, four hundred thousand, five hundred forty".