2564630146 has 32 divisors (see below), whose sum is σ = 4399597440. Its totient is φ = 1111428864.

The previous prime is 2564630143. The next prime is 2564630161. The reversal of 2564630146 is 6410364652.

It is not an unprimeable number, because it can be changed into a prime (2564630143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32851 + ... + 78793.

It is an arithmetic number, because the mean of its divisors is an integer number (137487420).

Almost surely, 2^2564630146 is an apocalyptic number.

2564630146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2564630146 is a deficient number, since it is larger than the sum of its proper divisors (1834967294).

2564630146 is a wasteful number, since it uses less digits than its factorization.

2564630146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46090.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2564630146 is about 50642.1775400703. The cubic root of 2564630146 is about 1368.8049937774.

Adding to 2564630146 its reverse (6410364652), we get a palindrome (8974994798).

The spelling of 2564630146 in words is "two billion, five hundred sixty-four million, six hundred thirty thousand, one hundred forty-six".