438472416 has 24 divisors (see below), whose sum is σ = 1150990344. Its totient is φ = 146157440.

The previous prime is 438472403. The next prime is 438472423. The reversal of 438472416 is 614274834.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283615 + ... + 2283806.

It is an arithmetic number, because the mean of its divisors is an integer number (47957931).

Almost surely, 2^438472416 is an apocalyptic number.

It is an amenable number.

438472416 is an abundant number, since it is smaller than the sum of its proper divisors (712517928).

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

438472416 is a wasteful number, since it uses less digits than its factorization.

438472416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567434 (or 4567426 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 438472416 is about 20939.7329495865. The cubic root of 438472416 is about 759.7092701467.

The spelling of 438472416 in words is "four hundred thirty-eight million, four hundred seventy-two thousand, four hundred sixteen".