42440732 has 6 divisors (see below), whose sum is σ = 74271288. Its totient is φ = 21220364.

The previous prime is 42440719. The next prime is 42440743. The reversal of 42440732 is 23704424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305088 + ... + 5305095.

It is an arithmetic number, because the mean of its divisors is an integer number (12378548).

Almost surely, 2^42440732 is an apocalyptic number.

It is an amenable number.

42440732 is a deficient number, since it is larger than the sum of its proper divisors (31830556).

42440732 is a wasteful number, since it uses less digits than its factorization.

42440732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610187 (or 10610185 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 42440732 is about 6514.6551712274. The cubic root of 42440732 is about 348.8143061319.

The spelling of 42440732 in words is "forty-two million, four hundred forty thousand, seven hundred thirty-two".