2566420802 has 32 divisors (see below), whose sum is σ = 4295617920. Its totient is φ = 1140056320.

The previous prime is 2566420783. The next prime is 2566420811. The reversal of 2566420802 is 2080246652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302474 + ... + 310842.

It is an arithmetic number, because the mean of its divisors is an integer number (134238060).

Almost surely, 2^2566420802 is an apocalyptic number.

2566420802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2566420802 is a deficient number, since it is larger than the sum of its proper divisors (1729197118).

2566420802 is a wasteful number, since it uses less digits than its factorization.

2566420802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2566420802 is about 50659.8539476773. The cubic root of 2566420802 is about 1369.1234917679.

The spelling of 2566420802 in words is "two billion, five hundred sixty-six million, four hundred twenty thousand, eight hundred two".