440890032 has 40 divisors (see below), whose sum is σ = 1242509760. Its totient is φ = 133602880.

The previous prime is 440890027. The next prime is 440890133. The reversal of 440890032 is 230098044.

It is a happy number.

It is a super-2 number, since 2×440890032² = 388768040633922048, 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, 416982 + ... + 418037.

It is an arithmetic number, because the mean of its divisors is an integer number (31062744).

Almost surely, 2^440890032 is an apocalyptic number.

It is an amenable number.

440890032 is an abundant number, since it is smaller than the sum of its proper divisors (801619728).

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

440890032 is a wasteful number, since it uses less digits than its factorization.

440890032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835041 (or 835035 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 440890032 is about 20997.3815510411. The cubic root of 440890032 is about 761.1029875647.

The spelling of 440890032 in words is "four hundred forty million, eight hundred ninety thousand, thirty-two".