438567132 has 12 divisors (see below), whose sum is σ = 1023323336. Its totient is φ = 146189040.

The previous prime is 438567127. The next prime is 438567211. The reversal of 438567132 is 231765834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×438567132² = 384682258541410848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct 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, 18273619 + ... + 18273642.

Almost surely, 2^438567132 is an apocalyptic number.

It is an amenable number.

438567132 is an abundant number, since it is smaller than the sum of its proper divisors (584756204).

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

438567132 is a wasteful number, since it uses less digits than its factorization.

438567132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36547268 (or 36547266 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 438567132 is about 20941.9944608913. The cubic root of 438567132 is about 759.7639687169.

It can be divided in two parts, 4385 and 67132, that added together give a palindrome (71517).

The spelling of 438567132 in words is "four hundred thirty-eight million, five hundred sixty-seven thousand, one hundred thirty-two".