440243480 has 64 divisors (see below), whose sum is σ = 1006875360. Its totient is φ = 173221888.

The previous prime is 440243477. The next prime is 440243539. The reversal of 440243480 is 84342044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781679 + ... + 782241.

Almost surely, 2^440243480 is an apocalyptic number.

440243480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440243480 is an abundant number, since it is smaller than the sum of its proper divisors (566631880).

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

440243480 is a wasteful number, since it uses less digits than its factorization.

440243480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 440243480 is about 20981.9798875130. The cubic root of 440243480 is about 760.7307606558.

The spelling of 440243480 in words is "four hundred forty million, two hundred forty-three thousand, four hundred eighty".