442130536 has 16 divisors (see below), whose sum is σ = 829219140. Its totient is φ = 221005440.

The previous prime is 442130519. The next prime is 442130569. The reversal of 442130536 is 635031244.

It can be written as a sum of positive squares in 2 ways, for example, as 293436900 + 148693636 = 17130^2 + 12194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49140 + ... + 57436.

Almost surely, 2^442130536 is an apocalyptic number.

It is an amenable number.

442130536 is a deficient number, since it is larger than the sum of its proper divisors (387088604).

442130536 is a wasteful number, since it uses less digits than its factorization.

442130536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964 (or 14960 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 442130536 is about 21026.9002946226. The cubic root of 442130536 is about 761.8161413478.

The spelling of 442130536 in words is "four hundred forty-two million, one hundred thirty thousand, five hundred thirty-six".