440056424 has 32 divisors (see below), whose sum is σ = 911632320. Its totient is φ = 198080256.

The previous prime is 440056417. The next prime is 440056457. The reversal of 440056424 is 424650044.

It is a happy number.

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, 67214 + ... + 73469.

It is an arithmetic number, because the mean of its divisors is an integer number (28488510).

Almost surely, 2^440056424 is an apocalyptic number.

It is an amenable number.

440056424 is an abundant number, since it is smaller than the sum of its proper divisors (471575896).

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

440056424 is a wasteful number, since it uses less digits than its factorization.

440056424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140729 (or 140725 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 440056424 is about 20977.5218746162. The cubic root of 440056424 is about 760.6230025490.

The spelling of 440056424 in words is "four hundred forty million, fifty-six thousand, four hundred twenty-four".