801680026 has 32 divisors (see below), whose sum is σ = 1432765440. Its totient is φ = 329184000.

The previous prime is 801680021. The next prime is 801680039. The reversal of 801680026 is 620086108.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 801680026.

It is not an unprimeable number, because it can be changed into a prime (801680021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34690 + ... + 52978.

It is an arithmetic number, because the mean of its divisors is an integer number (44773920).

Almost surely, 2^801680026 is an apocalyptic number.

801680026 is a deficient number, since it is larger than the sum of its proper divisors (631085414).

801680026 is a wasteful number, since it uses less digits than its factorization.

801680026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18430.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 801680026 is about 28313.9546160546. The cubic root of 801680026 is about 928.9671448562.

The spelling of 801680026 in words is "eight hundred one million, six hundred eighty thousand, twenty-six".