8440088040840 has 64 divisors (see below), whose sum is σ = 25325726276160. Its totient is φ = 2250204619520.

The previous prime is 8440088040809. The next prime is 8440088040877. The reversal of 8440088040840 is 480408800448.

It is a happy number.

It is a super-2 number, since 2×8440088040840² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8440088040840.

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, 7027566 + ... + 8140445.

It is an arithmetic number, because the mean of its divisors is an integer number (395714473065).

Almost surely, 2^{8440088040840} is an apocalyptic number.

It is an amenable number.

8440088040840 is an abundant number, since it is smaller than the sum of its proper divisors (16885638235320).

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

8440088040840 is a wasteful number, since it uses less digits than its factorization.

8440088040840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172662 (or 15172658 counting only the distinct ones).

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

The spelling of 8440088040840 in words is "eight trillion, four hundred forty billion, eighty-eight million, forty thousand, eight hundred forty".