804284626440 has 32 divisors (see below), whose sum is σ = 2412853879680. Its totient is φ = 214475900352.

The previous prime is 804284626421. The next prime is 804284626459. The reversal of 804284626440 is 44626482408.

It is an interprime number because it is at equal distance from previous prime (804284626421) and next prime (804284626459).

It is a self number, because there is not a number n which added to its sum of digits gives 804284626440.

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, 3351185824 + ... + 3351186063.

It is an arithmetic number, because the mean of its divisors is an integer number (75401683740).

Almost surely, 2^804284626440 is an apocalyptic number.

It is an amenable number.

804284626440 is an abundant number, since it is smaller than the sum of its proper divisors (1608569253240).

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

804284626440 is a wasteful number, since it uses less digits than its factorization.

804284626440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702371901 (or 6702371897 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 48.

The spelling of 804284626440 in words is "eight hundred four billion, two hundred eighty-four million, six hundred twenty-six thousand, four hundred forty".