802455566844 has 24 divisors (see below), whose sum is σ = 1872443312208. Its totient is φ = 267478476160.

The previous prime is 802455566791. The next prime is 802455566933. The reversal of 802455566844 is 448665554208.

It is a congruent number.

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, 328587 + ... + 1308770.

It is an arithmetic number, because the mean of its divisors is an integer number (78018471342).

Almost surely, 2^802455566844 is an apocalyptic number.

It is an amenable number.

802455566844 is an abundant number, since it is smaller than the sum of its proper divisors (1069987745364).

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

802455566844 is a wasteful number, since it uses less digits than its factorization.

802455566844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678205 (or 1678203 counting only the distinct ones).

The product of its (nonzero) digits is 36864000, while the sum is 57.

The spelling of 802455566844 in words is "eight hundred two billion, four hundred fifty-five million, five hundred sixty-six thousand, eight hundred forty-four".