84008840400840 has 64 divisors (see below), whose sum is σ = 252027558619200. Its totient is φ = 22402265225472.

The previous prime is 84008840400773. The next prime is 84008840400893. The reversal of 84008840400840 is 4800404880048.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 84008840400840.

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, 30832539 + ... + 33446421.

It is an arithmetic number, because the mean of its divisors is an integer number (3937930603425).

Almost surely, 2^{84008840400840} is an apocalyptic number.

It is an amenable number.

84008840400840 is an abundant number, since it is smaller than the sum of its proper divisors (168018718218360).

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

84008840400840 is a wasteful number, since it uses less digits than its factorization.

84008840400840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881726 (or 2881722 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 84008840400840 in words is "eighty-four trillion, eight billion, eight hundred forty million, four hundred thousand, eight hundred forty".