25945654952 has 16 divisors (see below), whose sum is σ = 55597832160. Its totient is φ = 11119566384.

The previous prime is 25945654951. The next prime is 25945654979.

It is a happy number.

25945654952 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 463315267 = 25945654952 / (2 + 5 + 9 + 4 + 5 + 6 + 5 + 4 + 9 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (25945654951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231657578 + ... + 231657689.

It is an arithmetic number, because the mean of its divisors is an integer number (3474864510).

Almost surely, 2^25945654952 is an apocalyptic number.

It is an amenable number.

25945654952 is an abundant number, since it is smaller than the sum of its proper divisors (29652177208).

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

25945654952 is a wasteful number, since it uses less digits than its factorization.

25945654952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463315280 (or 463315276 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 56.

The spelling of 25945654952 in words is "twenty-five billion, nine hundred forty-five million, six hundred fifty-four thousand, nine hundred fifty-two".