25641414652 has 24 divisors (see below), whose sum is σ = 51306681440. Its totient is φ = 10984066560.

The previous prime is 25641414649. The next prime is 25641414661.

25641414652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25641414652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151377 + ... + 272392.

Almost surely, 2^25641414652 is an apocalyptic number.

It is an amenable number.

25641414652 is an abundant number, since it is smaller than the sum of its proper divisors (25665266788).

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

25641414652 is a wasteful number, since it uses less digits than its factorization.

25641414652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425941 (or 425939 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 25641414652 in words is "twenty-five billion, six hundred forty-one million, four hundred fourteen thousand, six hundred fifty-two".