385387134504 has 64 divisors (see below), whose sum is σ = 993473812800. Its totient is φ = 124519988736.

The previous prime is 385387134499. The next prime is 385387134541. The reversal of 385387134504 is 405431783583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719589 + ... + 1930740.

It is an arithmetic number, because the mean of its divisors is an integer number (15523028325).

Almost surely, 2^385387134504 is an apocalyptic number.

It is an amenable number.

385387134504 is an abundant number, since it is smaller than the sum of its proper divisors (608086678296).

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

385387134504 is a wasteful number, since it uses less digits than its factorization.

385387134504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650474 (or 3650470 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 385387134504 in words is "three hundred eighty-five billion, three hundred eighty-seven million, one hundred thirty-four thousand, five hundred four".