25329799488 has 224 divisors, whose sum is σ = 78844981248. Its totient is φ = 7026739200.

The previous prime is 25329799459. The next prime is 25329799507. The reversal of 25329799488 is 88499792352.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8273478 + ... + 8276538.

Almost surely, 2^25329799488 is an apocalyptic number.

25329799488 is a gapful number since it is divisible by the number (28) 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 25329799488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39422490624).

25329799488 is an abundant number, since it is smaller than the sum of its proper divisors (53515181760).

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

25329799488 is a wasteful number, since it uses less digits than its factorization.

25329799488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3251 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 25329799488 in words is "twenty-five billion, three hundred twenty-nine million, seven hundred ninety-nine thousand, four hundred eighty-eight".