2564748290 has 32 divisors (see below), whose sum is σ = 5055946560. Its totient is φ = 930930624.

The previous prime is 2564748289. The next prime is 2564748341. The reversal of 2564748290 is 928474652.

It is a super-3 number, since 3×2564748290³ (a number of 29 digits) contains 333 as substring.

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, 159524 + ... + 174863.

It is an arithmetic number, because the mean of its divisors is an integer number (157998330).

Almost surely, 2^2564748290 is an apocalyptic number.

2564748290 is a deficient number, since it is larger than the sum of its proper divisors (2491198270).

2564748290 is a wasteful number, since it uses less digits than its factorization.

2564748290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334466.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2564748290 is about 50643.3439851675. The cubic root of 2564748290 is about 1368.8260122226.

It can be divided in two parts, 25647 and 48290, that added together give a palindrome (73937).

The spelling of 2564748290 in words is "two billion, five hundred sixty-four million, seven hundred forty-eight thousand, two hundred ninety".