25432375000 has 56 divisors (see below), whose sum is σ = 59606658900. Its totient is φ = 10172900000.

The previous prime is 25432374971. The next prime is 25432375039. The reversal of 25432375000 is 57323452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 23271 + ... + 226729.

Almost surely, 2^25432375000 is an apocalyptic number.

25432375000 is a gapful number since it is divisible by the number (20) 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 25432375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29803329450).

25432375000 is an abundant number, since it is smaller than the sum of its proper divisors (34174283900).

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

25432375000 is an frugal number, since it uses more digits than its factorization.

25432375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203495 (or 203466 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

Adding to 25432375000 its reverse (57323452), we get a palindrome (25489698452).

The spelling of 25432375000 in words is "twenty-five billion, four hundred thirty-two million, three hundred seventy-five thousand".