440107721240 has 32 divisors (see below), whose sum is σ = 1080264407760. Its totient is φ = 160039171200.

The previous prime is 440107721233. The next prime is 440107721267. The reversal of 440107721240 is 42127701044.

It is a junction number, because it is equal to n+sod(n) for n = 440107721197 and 440107721206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500121971 + ... + 500122850.

Almost surely, 2^440107721240 is an apocalyptic number.

440107721240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440107721240 is an abundant number, since it is smaller than the sum of its proper divisors (640156686520).

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

440107721240 is a wasteful number, since it uses less digits than its factorization.

440107721240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000244843 (or 1000244839 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 440107721240 in words is "four hundred forty billion, one hundred seven million, seven hundred twenty-one thousand, two hundred forty".