25644630130 has 16 divisors (see below), whose sum is σ = 52754667840. Its totient is φ = 8792444592.

The previous prime is 25644630127. The next prime is 25644630131. The reversal of 25644630130 is 3103644652.

It is not an unprimeable number, because it can be changed into a prime (25644630131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183175860 + ... + 183175999.

It is an arithmetic number, because the mean of its divisors is an integer number (3297166740).

Almost surely, 2^25644630130 is an apocalyptic number.

25644630130 is an abundant number, since it is smaller than the sum of its proper divisors (27110037710).

25644630130 is a wasteful number, since it uses less digits than its factorization.

25644630130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366351873.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 25644630130 in words is "twenty-five billion, six hundred forty-four million, six hundred thirty thousand, one hundred thirty".