442265136 has 20 divisors (see below), whose sum is σ = 1142518392. Its totient is φ = 147421696.

The previous prime is 442265111. The next prime is 442265141. The reversal of 442265136 is 631562244.

It is a junction number, because it is equal to n+sod(n) for n = 442265097 and 442265106.

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, 4606881 + ... + 4606976.

Almost surely, 2^442265136 is an apocalyptic number.

It is an amenable number.

442265136 is an abundant number, since it is smaller than the sum of its proper divisors (700253256).

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

442265136 is a wasteful number, since it uses less digits than its factorization.

442265136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213868 (or 9213862 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 442265136 is about 21030.1007130256. The cubic root of 442265136 is about 761.8934413308.

The spelling of 442265136 in words is "four hundred forty-two million, two hundred sixty-five thousand, one hundred thirty-six".