389881423200 has 72 divisors (see below), whose sum is σ = 1269064040328. Its totient is φ = 103968378880.

The previous prime is 389881423199. The next prime is 389881423207. The reversal of 389881423200 is 2324188983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 389881423200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389881423207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81222897 + ... + 81227696.

It is an arithmetic number, because the mean of its divisors is an integer number (17625889449).

Almost surely, 2^389881423200 is an apocalyptic number.

389881423200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389881423200 is an abundant number, since it is smaller than the sum of its proper divisors (879182617128).

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

389881423200 is a wasteful number, since it uses less digits than its factorization.

389881423200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162450616 (or 162450603 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 389881423200 in words is "three hundred eighty-nine billion, eight hundred eighty-one million, four hundred twenty-three thousand, two hundred".