8401089366 has 24 divisors (see below), whose sum is σ = 18670584360. Its totient is φ = 2800138608.

The previous prime is 8401089349. The next prime is 8401089371. The reversal of 8401089366 is 6639801048.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667306 + ... + 679778.

It is an arithmetic number, because the mean of its divisors is an integer number (777941015).

Almost surely, 2^8401089366 is an apocalyptic number.

8401089366 is an abundant number, since it is smaller than the sum of its proper divisors (10269494994).

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

8401089366 is an frugal number, since it uses more digits than its factorization.

8401089366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24957 (or 12478 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8401089366 is about 91657.4566852037. The cubic root of 8401089366 is about 2032.8805850403.

The spelling of 8401089366 in words is "eight billion, four hundred one million, eighty-nine thousand, three hundred sixty-six".