442875530 has 16 divisors (see below), whose sum is σ = 824665320. Its totient is φ = 171041472.

The previous prime is 442875497. The next prime is 442875583. The reversal of 442875530 is 35578244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 416445649 + 26429881 = 20407^2 + 5141^2 .

It is a super-2 number, since 2×442875530² = 392277470145561800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763289 + ... + 763868.

Almost surely, 2^442875530 is an apocalyptic number.

442875530 is a deficient number, since it is larger than the sum of its proper divisors (381789790).

442875530 is a wasteful number, since it uses less digits than its factorization.

442875530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527193.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 442875530 is about 21044.6080980378. The cubic root of 442875530 is about 762.2437902972.

The spelling of 442875530 in words is "four hundred forty-two million, eight hundred seventy-five thousand, five hundred thirty".