42644760 has 64 divisors (see below), whose sum is σ = 133505280. Its totient is φ = 10876800.

The previous prime is 42644741. The next prime is 42644779. The reversal of 42644760 is 6744624.

It is an interprime number because it is at equal distance from previous prime (42644741) and next prime (42644779).

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 in 15 ways as a sum of consecutive naturals, for example, 4966 + ... + 10485.

It is an arithmetic number, because the mean of its divisors is an integer number (2086020).

Almost surely, 2^42644760 is an apocalyptic number.

42644760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42644760 is an abundant number, since it is smaller than the sum of its proper divisors (90860520).

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

42644760 is a wasteful number, since it uses less digits than its factorization.

42644760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15488 (or 15484 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 42644760 is about 6530.2955522702. The cubic root of 42644760 is about 349.3723717938.

The spelling of 42644760 in words is "forty-two million, six hundred forty-four thousand, seven hundred sixty".