25344618852 has 48 divisors (see below), whose sum is σ = 71142794240. Its totient is φ = 6860197152.

The previous prime is 25344618841. The next prime is 25344618853. The reversal of 25344618852 is 25881644352.

It is not an unprimeable number, because it can be changed into a prime (25344618853) 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, 7938448 + ... + 7941639.

Almost surely, 2^25344618852 is an apocalyptic number.

It is an amenable number.

25344618852 is an abundant number, since it is smaller than the sum of its proper divisors (45798175388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25344618852 is a wasteful number, since it uses less digits than its factorization.

25344618852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880120 (or 15880118 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The spelling of 25344618852 in words is "twenty-five billion, three hundred forty-four million, six hundred eighteen thousand, eight hundred fifty-two".