2566104388 has 24 divisors (see below), whose sum is σ = 4729741632. Its totient is φ = 1215792864.

The previous prime is 2566104367. The next prime is 2566104427. The reversal of 2566104388 is 8834016652.

It is a super-2 number, since 2×2566104388² = 13169783460225709088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 120495 + ... + 140182.

It is an arithmetic number, because the mean of its divisors is an integer number (197072568).

Almost surely, 2^2566104388 is an apocalyptic number.

It is an amenable number.

2566104388 is a deficient number, since it is larger than the sum of its proper divisors (2163637244).

2566104388 is a wasteful number, since it uses less digits than its factorization.

2566104388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260811 (or 260809 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2566104388 is about 50656.7309249225. The cubic root of 2566104388 is about 1369.0672230473.

The spelling of 2566104388 in words is "two billion, five hundred sixty-six million, one hundred four thousand, three hundred eighty-eight".