440121882 has 32 divisors (see below), whose sum is σ = 943350912. Its totient is φ = 136534464.

The previous prime is 440121863. The next prime is 440121889. The reversal of 440121882 is 288121044.

It is not an unprimeable number, because it can be changed into a prime (440121889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37993 + ... + 48204.

It is an arithmetic number, because the mean of its divisors is an integer number (29479716).

Almost surely, 2^440121882 is an apocalyptic number.

440121882 is an abundant number, since it is smaller than the sum of its proper divisors (503229030).

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

440121882 is a wasteful number, since it uses less digits than its factorization.

440121882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86262.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 440121882 is about 20979.0820104217. The cubic root of 440121882 is about 760.6607146765.

The spelling of 440121882 in words is "four hundred forty million, one hundred twenty-one thousand, eight hundred eighty-two".