84088440840 has 32 divisors (see below), whose sum is σ = 252265322880. Its totient is φ = 22423584192.

The previous prime is 84088440833. The next prime is 84088440869. The reversal of 84088440840 is 4804488048.

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 84088440840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350368384 + ... + 350368623.

It is an arithmetic number, because the mean of its divisors is an integer number (7883291340).

Almost surely, 2^84088440840 is an apocalyptic number.

It is an amenable number.

84088440840 is an abundant number, since it is smaller than the sum of its proper divisors (168176882040).

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

84088440840 is a wasteful number, since it uses less digits than its factorization.

84088440840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700737021 (or 700737017 counting only the distinct ones).

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

The spelling of 84088440840 in words is "eighty-four billion, eighty-eight million, four hundred forty thousand, eight hundred forty".