440013156 has 24 divisors (see below), whose sum is σ = 1120033824. Its totient is φ = 133337280.

The previous prime is 440013151. The next prime is 440013157. The reversal of 440013156 is 651310044.

It is a super-2 number, since 2×440013156² = 387223154906160672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440013151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666585 + ... + 1666848.

It is an arithmetic number, because the mean of its divisors is an integer number (46668076).

Almost surely, 2^440013156 is an apocalyptic number.

It is an amenable number.

440013156 is an abundant number, since it is smaller than the sum of its proper divisors (680020668).

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

440013156 is a wasteful number, since it uses less digits than its factorization.

440013156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333451 (or 3333449 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 440013156 is about 20976.4905549046. The cubic root of 440013156 is about 760.5980726286.

The spelling of 440013156 in words is "four hundred forty million, thirteen thousand, one hundred fifty-six".