865070442 has 40 divisors (see below), whose sum is σ = 1941277536. Its totient is φ = 287928648.

The previous prime is 865070429. The next prime is 865070443. The reversal of 865070442 is 244070568.

It is a junction number, because it is equal to n+sod(n) for n = 865070397 and 865070406.

It is not an unprimeable number, because it can be changed into a prime (865070443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116773 + ... + 123959.

Almost surely, 2^865070442 is an apocalyptic number.

865070442 is an abundant number, since it is smaller than the sum of its proper divisors (1076207094).

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

865070442 is a wasteful number, since it uses less digits than its factorization.

865070442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944 (or 7935 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 865070442 is about 29412.0798652526. The cubic root of 865070442 is about 952.8338069903.

The spelling of 865070442 in words is "eight hundred sixty-five million, seventy thousand, four hundred forty-two".