438383709072 has 60 divisors (see below), whose sum is σ = 1280207507904. Its totient is φ = 139774514880.

The previous prime is 438383709047. The next prime is 438383709131. The reversal of 438383709072 is 270907383834.

438383709072 is a `hidden beast` number, since 43 + 8 + 383 + 70 + 90 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66177804 + ... + 66184427.

Almost surely, 2^438383709072 is an apocalyptic number.

It is an amenable number.

438383709072 is an abundant number, since it is smaller than the sum of its proper divisors (841823798832).

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

438383709072 is a wasteful number, since it uses less digits than its factorization.

438383709072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132362268 (or 132362259 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 438383709072 in words is "four hundred thirty-eight billion, three hundred eighty-three million, seven hundred nine thousand, seventy-two".