25375400232 has 256 divisors, whose sum is σ = 79289280000. Its totient is φ = 6589513728.

The previous prime is 25375400231. The next prime is 25375400243. The reversal of 25375400232 is 23200457352.

It is a junction number, because it is equal to n+sod(n) for n = 25375400193 and 25375400202.

It is not an unprimeable number, because it can be changed into a prime (25375400231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56515144 + ... + 56515592.

It is an arithmetic number, because the mean of its divisors is an integer number (309723750).

Almost surely, 2^25375400232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25375400232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39644640000).

25375400232 is an abundant number, since it is smaller than the sum of its proper divisors (53913879768).

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

25375400232 is a wasteful number, since it uses less digits than its factorization.

25375400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 33.

Adding to 25375400232 its reverse (23200457352), we get a palindrome (48575857584).

The spelling of 25375400232 in words is "twenty-five billion, three hundred seventy-five million, four hundred thousand, two hundred thirty-two".