438701889025 has 24 divisors (see below), whose sum is σ = 568018894464. Its totient is φ = 335479478400.

The previous prime is 438701889019. The next prime is 438701889097. The reversal of 438701889025 is 520988107834.

It is not a de Polignac number, because 438701889025 - 2⁷ = 438701888897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616357 + ... + 1121293.

It is an arithmetic number, because the mean of its divisors is an integer number (23667453936).

Almost surely, 2^438701889025 is an apocalyptic number.

It is an amenable number.

438701889025 is a deficient number, since it is larger than the sum of its proper divisors (129317005439).

438701889025 is a wasteful number, since it uses less digits than its factorization.

438701889025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506481 (or 506476 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 438701889025 in words is "four hundred thirty-eight billion, seven hundred one million, eight hundred eighty-nine thousand, twenty-five".