25500740199232 has 84 divisors (see below), whose sum is σ = 51874119394048. Its totient is φ = 12437763148800.

The previous prime is 25500740199211. The next prime is 25500740199269. The reversal of 25500740199232 is 23299104700552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1515097057 + ... + 1515113887.

Almost surely, 2^{25500740199232} 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 25500740199232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25937059697024).

25500740199232 is an abundant number, since it is smaller than the sum of its proper divisors (26373379194816).

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

25500740199232 is a wasteful number, since it uses less digits than its factorization.

25500740199232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31008 (or 30957 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

Adding to 25500740199232 its reverse (23299104700552), we get a palindrome (48799844899784).

The spelling of 25500740199232 in words is "twenty-five trillion, five hundred billion, seven hundred forty million, one hundred ninety-nine thousand, two hundred thirty-two".