438915161200 has 60 divisors (see below), whose sum is σ = 1054581188248. Its totient is φ = 175551494400.

The previous prime is 438915161177. The next prime is 438915161207. The reversal of 438915161200 is 2161519834.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438915161207) 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, 5678815 + ... + 5755585.

Almost surely, 2^438915161200 is an apocalyptic number.

438915161200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

438915161200 is an abundant number, since it is smaller than the sum of its proper divisors (615666027048).

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

438915161200 is a wasteful number, since it uses less digits than its factorization.

438915161200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91082 (or 91071 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 438915161200 in words is "four hundred thirty-eight billion, nine hundred fifteen million, one hundred sixty-one thousand, two hundred".