388851880840 has 32 divisors (see below), whose sum is σ = 876407273280. Its totient is φ = 155275767232.

The previous prime is 388851880787. The next prime is 388851880849. The reversal of 388851880840 is 48088158883.

It is not an unprimeable number, because it can be changed into a prime (388851880849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257012 + ... + 8303971.

It is an arithmetic number, because the mean of its divisors is an integer number (27387727290).

Almost surely, 2^388851880840 is an apocalyptic number.

It is an amenable number.

388851880840 is an abundant number, since it is smaller than the sum of its proper divisors (487555392440).

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

388851880840 is a wasteful number, since it uses less digits than its factorization.

388851880840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16561581 (or 16561577 counting only the distinct ones).

The product of its (nonzero) digits is 15728640, while the sum is 61.

The spelling of 388851880840 in words is "three hundred eighty-eight billion, eight hundred fifty-one million, eight hundred eighty thousand, eight hundred forty".