42644496 has 20 divisors (see below), whose sum is σ = 110165072. Its totient is φ = 14214816.

The previous prime is 42644491. The next prime is 42644501. The reversal of 42644496 is 69444624.

It is an interprime number because it is at equal distance from previous prime (42644491) and next prime (42644501).

It is not an unprimeable number, because it can be changed into a prime (42644491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444166 + ... + 444261.

Almost surely, 2^42644496 is an apocalyptic number.

It is an amenable number.

42644496 is an abundant number, since it is smaller than the sum of its proper divisors (67520576).

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

42644496 is a wasteful number, since it uses less digits than its factorization.

42644496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888438 (or 888432 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 42644496 is about 6530.2753387587. The cubic root of 42644496 is about 349.3716508416.

The spelling of 42644496 in words is "forty-two million, six hundred forty-four thousand, four hundred ninety-six".