680244534 has 16 divisors (see below), whose sum is σ = 1511654640. Its totient is φ = 226748160.

The previous prime is 680244497. The next prime is 680244541. The reversal of 680244534 is 435442086.

680244534 is a `hidden beast` number, since 6 + 80 + 2 + 44 + 534 = 666.

680244534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6298507 + ... + 6298614.

It is an arithmetic number, because the mean of its divisors is an integer number (94478415).

Almost surely, 2^680244534 is an apocalyptic number.

680244534 is an abundant number, since it is smaller than the sum of its proper divisors (831410106).

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

680244534 is a wasteful number, since it uses less digits than its factorization.

680244534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597132 (or 12597126 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 680244534 is about 26081.4979247742. The cubic root of 680244534 is about 879.4713310485.

The spelling of 680244534 in words is "six hundred eighty million, two hundred forty-four thousand, five hundred thirty-four".