438022132900 has 36 divisors (see below), whose sum is σ = 1036917851760. Its totient is φ = 159280775200.

The previous prime is 438022132871. The next prime is 438022132907. The reversal of 438022132900 is 9231220834.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (438022132907) 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, 199099870 + ... + 199102069.

It is an arithmetic number, because the mean of its divisors is an integer number (28803273660).

Almost surely, 2^438022132900 is an apocalyptic number.

It is an amenable number.

438022132900 is an abundant number, since it is smaller than the sum of its proper divisors (598895718860).

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

438022132900 is a wasteful number, since it uses less digits than its factorization.

438022132900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398201964 (or 398201957 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 438022132900 in words is "four hundred thirty-eight billion, twenty-two million, one hundred thirty-two thousand, nine hundred".