388812707420 has 48 divisors (see below), whose sum is σ = 823229829408. Its totient is φ = 154248157440.

The previous prime is 388812707399. The next prime is 388812707443. The reversal of 388812707420 is 24707218883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1584299 + ... + 1813181.

It is an arithmetic number, because the mean of its divisors is an integer number (17150621446).

Almost surely, 2^388812707420 is an apocalyptic number.

It is an amenable number.

388812707420 is an abundant number, since it is smaller than the sum of its proper divisors (434417121988).

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

388812707420 is a wasteful number, since it uses less digits than its factorization.

388812707420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229590 (or 229588 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 388812707420 in words is "three hundred eighty-eight billion, eight hundred twelve million, seven hundred seven thousand, four hundred twenty".