8261244904 has 32 divisors (see below), whose sum is σ = 17065326240. Its totient is φ = 3717928000.

The previous prime is 8261244847. The next prime is 8261244913. The reversal of 8261244904 is 4094421628.

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, 455854 + ... + 473629.

It is an arithmetic number, because the mean of its divisors is an integer number (533291445).

Almost surely, 2^8261244904 is an apocalyptic number.

It is an amenable number.

8261244904 is an abundant number, since it is smaller than the sum of its proper divisors (8804081336).

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

8261244904 is a wasteful number, since it uses less digits than its factorization.

8261244904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929601 (or 929597 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 8261244904 is about 90891.3907034104. The cubic root of 8261244904 is about 2021.5376411187.

The spelling of 8261244904 in words is "eight billion, two hundred sixty-one million, two hundred forty-four thousand, nine hundred four".