42633544 has 16 divisors (see below), whose sum is σ = 80647020. Its totient is φ = 21127680.

The previous prime is 42633523. The next prime is 42633553. The reversal of 42633544 is 44533624.

It can be written as a sum of positive squares in 2 ways, for example, as 32148900 + 10484644 = 5670^2 + 3238^2 .

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, 22677 + ... + 24484.

Almost surely, 2^42633544 is an apocalyptic number.

It is an amenable number.

42633544 is a deficient number, since it is larger than the sum of its proper divisors (38013476).

42633544 is a wasteful number, since it uses less digits than its factorization.

42633544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47280 (or 47276 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 42633544 is about 6529.4367291521. The cubic root of 42633544 is about 349.3417396277.

The spelling of 42633544 in words is "forty-two million, six hundred thirty-three thousand, five hundred forty-four".