840440044048 has 60 divisors (see below), whose sum is σ = 1790084427264. Its totient is φ = 381966481600.

The previous prime is 840440044021. The next prime is 840440044111.

840440044048 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 840440044048.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16746513 + ... + 16796623.

Almost surely, 2^840440044048 is an apocalyptic number.

840440044048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

840440044048 is an abundant number, since it is smaller than the sum of its proper divisors (949644383216).

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

840440044048 is a wasteful number, since it uses less digits than its factorization.

840440044048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58804 (or 58787 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

It can be divided in two parts, 8404400 and 44048, that added together give a palindrome (8448448).

The spelling of 840440044048 in words is "eight hundred forty billion, four hundred forty million, forty-four thousand, forty-eight".