25448193614988 has 48 divisors (see below), whose sum is σ = 66209931903360. Its totient is φ = 8452756879632.

The previous prime is 25448193614957. The next prime is 25448193615059. The reversal of 25448193614988 is 88941639184452.

It is a happy number.

25448193614988 is a `hidden beast` number, since 2 + 5 + 4 + 48 + 1 + 93 + 6 + 1 + 498 + 8 = 666.

It is a super-2 number, since 2×25448193614988² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416279370 + ... + 416340497.

It is an arithmetic number, because the mean of its divisors is an integer number (1379373581320).

Almost surely, 2^{25448193614988} is an apocalyptic number.

It is an amenable number.

25448193614988 is an abundant number, since it is smaller than the sum of its proper divisors (40761738288372).

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

25448193614988 is a wasteful number, since it uses less digits than its factorization.

25448193614988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832620163 (or 832620155 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 72.

The spelling of 25448193614988 in words is "twenty-five trillion, four hundred forty-eight billion, one hundred ninety-three million, six hundred fourteen thousand, nine hundred eighty-eight".