440814768140 has 48 divisors (see below), whose sum is σ = 949002227712. Its totient is φ = 171918019776.

The previous prime is 440814768137. The next prime is 440814768169. The reversal of 440814768140 is 41867418044.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 644324 + ... + 1138763.

It is an arithmetic number, because the mean of its divisors is an integer number (19770879744).

Almost surely, 2^440814768140 is an apocalyptic number.

It is an amenable number.

440814768140 is an abundant number, since it is smaller than the sum of its proper divisors (508187459572).

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

440814768140 is a wasteful number, since it uses less digits than its factorization.

440814768140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783406 (or 1783404 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 440814768140 in words is "four hundred forty billion, eight hundred fourteen million, seven hundred sixty-eight thousand, one hundred forty".