80735266404 has 120 divisors (see below), whose sum is σ = 227561613048. Its totient is φ = 24812282880.

The previous prime is 80735266357. The next prime is 80735266433. The reversal of 80735266404 is 40466253708.

80735266404 is a `hidden beast` number, since 80 + 7 + 3 + 526 + 6 + 40 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5769921600 + 74965344804 = 75960^2 + 273798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80735266404.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3699894 + ... + 3721650.

Almost surely, 2^80735266404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80735266404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113780806524).

80735266404 is an abundant number, since it is smaller than the sum of its proper divisors (146826346644).

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

80735266404 is a wasteful number, since it uses less digits than its factorization.

80735266404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22667 (or 22656 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 80735266404 in words is "eighty billion, seven hundred thirty-five million, two hundred sixty-six thousand, four hundred four".