438240752 has 20 divisors (see below), whose sum is σ = 852839016. Its totient is φ = 218153280.

The previous prime is 438240749. The next prime is 438240763. The reversal of 438240752 is 257042834.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 56699 + ... + 63962.

Almost surely, 2^438240752 is an apocalyptic number.

It is an amenable number.

438240752 is a deficient number, since it is larger than the sum of its proper divisors (414598264).

438240752 is a wasteful number, since it uses less digits than its factorization.

438240752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120896 (or 120890 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 438240752 is about 20934.2005340543. The cubic root of 438240752 is about 759.5754507876.

The spelling of 438240752 in words is "four hundred thirty-eight million, two hundred forty thousand, seven hundred fifty-two".