438975148032 has 130 divisors (see below), whose sum is σ = 1311346892988. Its totient is φ = 146324938752.

The previous prime is 438975148009. The next prime is 438975148033. The reversal of 438975148032 is 230841579834.

It is a happy number.

438975148032 is a `hidden beast` number, since 4 + 3 + 8 + 97 + 514 + 8 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 438975148032.

It is not an unprimeable number, because it can be changed into a prime (438975148033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 329778 + ... + 993329.

Almost surely, 2^438975148032 is an apocalyptic number.

It is an amenable number.

438975148032 is an abundant number, since it is smaller than the sum of its proper divisors (872371744956).

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

438975148032 is an equidigital number, since it uses as much as digits as its factorization.

438975148032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323143 (or 1323112 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 438975148032 in words is "four hundred thirty-eight billion, nine hundred seventy-five million, one hundred forty-eight thousand, thirty-two".