442752740 has 24 divisors (see below), whose sum is σ = 931503552. Its totient is φ = 176772960.

The previous prime is 442752703. The next prime is 442752769. The reversal of 442752740 is 47257244.

It is a self number, because there is not a number n which added to its sum of digits gives 442752740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9296 + ... + 31175.

It is an arithmetic number, because the mean of its divisors is an integer number (38812648).

Almost surely, 2^442752740 is an apocalyptic number.

It is an amenable number.

442752740 is an abundant number, since it is smaller than the sum of its proper divisors (488750812).

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

442752740 is a wasteful number, since it uses less digits than its factorization.

442752740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41027 (or 41025 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 442752740 is about 21041.6905214386. The cubic root of 442752740 is about 762.1733381724.

The spelling of 442752740 in words is "four hundred forty-two million, seven hundred fifty-two thousand, seven hundred forty".