440493480 has 96 divisors (see below), whose sum is σ = 1636128000. Its totient is φ = 100683648.

The previous prime is 440493479. The next prime is 440493481. The reversal of 440493480 is 84394044.

It is an interprime number because it is at equal distance from previous prime (440493479) and next prime (440493481).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (440493481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84880 + ... + 89919.

It is an arithmetic number, because the mean of its divisors is an integer number (17043000).

Almost surely, 2^440493480 is an apocalyptic number.

440493480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440493480 is an abundant number, since it is smaller than the sum of its proper divisors (1195634520).

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

440493480 is a wasteful number, since it uses less digits than its factorization.

440493480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174823 (or 174816 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 440493480 is about 20987.9365350670. The cubic root of 440493480 is about 760.8747315194.

The spelling of 440493480 in words is "four hundred forty million, four hundred ninety-three thousand, four hundred eighty".