2566421024 has 12 divisors (see below), whose sum is σ = 5052641454. Its totient is φ = 1283210496.

The previous prime is 2566421017. The next prime is 2566421059. The reversal of 2566421024 is 4201246652.

It can be written as a sum of positive squares in only one way, i.e., 2244864400 + 321556624 = 47380^2 + 17932^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 80200657 = 2566421024 / (2 + 5 + 6 + 6 + 4 + 2 + 1 + 0 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40100297 + ... + 40100360.

Almost surely, 2^2566421024 is an apocalyptic number.

It is an amenable number.

2566421024 is a deficient number, since it is larger than the sum of its proper divisors (2486220430).

2566421024 is an equidigital number, since it uses as much as digits as its factorization.

2566421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80200667 (or 80200659 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2566421024 is about 50659.8561387614. The cubic root of 2566421024 is about 1369.1235312451.

Adding to 2566421024 its reverse (4201246652), we get a palindrome (6767667676).

The spelling of 2566421024 in words is "two billion, five hundred sixty-six million, four hundred twenty-one thousand, twenty-four".