25640455110232 has 32 divisors (see below), whose sum is σ = 48149688600000. Its totient is φ = 12800549238048.

The previous prime is 25640455110203. The next prime is 25640455110233. The reversal of 25640455110232 is 23201155404652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25640455110233) 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, 17856319 + ... + 19238737.

It is an arithmetic number, because the mean of its divisors is an integer number (1504677768750).

Almost surely, 2^{25640455110232} is an apocalyptic number.

It is an amenable number.

25640455110232 is a deficient number, since it is larger than the sum of its proper divisors (22509233489768).

25640455110232 is a wasteful number, since it uses less digits than its factorization.

25640455110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385983 (or 1385979 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 25640455110232 in words is "twenty-five trillion, six hundred forty billion, four hundred fifty-five million, one hundred ten thousand, two hundred thirty-two".