25148976384 has 432 divisors, whose sum is σ = 86821761600. Its totient is φ = 6403719168.

The previous prime is 25148976379. The next prime is 25148976449. The reversal of 25148976384 is 48367984152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12154102 + ... + 12156170.

It is an arithmetic number, because the mean of its divisors is an integer number (200976300).

Almost surely, 2^25148976384 is an apocalyptic number.

25148976384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25148976384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43410880800).

25148976384 is an abundant number, since it is smaller than the sum of its proper divisors (61672785216).

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

25148976384 is a wasteful number, since it uses less digits than its factorization.

25148976384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2117 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 25148976384 in words is "twenty-five billion, one hundred forty-eight million, nine hundred seventy-six thousand, three hundred eighty-four".