25327729152 has 120 divisors (see below), whose sum is σ = 79742931840. Its totient is φ = 7675054080.

The previous prime is 25327729139. The next prime is 25327729153. The reversal of 25327729152 is 25192772352.

It is a junction number, because it is equal to n+sod(n) for n = 25327729098 and 25327729107.

It is not an unprimeable number, because it can be changed into a prime (25327729153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199152 + ... + 300527.

It is an arithmetic number, because the mean of its divisors is an integer number (664524432).

Almost surely, 2^25327729152 is an apocalyptic number.

25327729152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25327729152 is an abundant number, since it is smaller than the sum of its proper divisors (54415202688).

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

25327729152 is a wasteful number, since it uses less digits than its factorization.

25327729152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499714 (or 499695 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 25327729152 in words is "twenty-five billion, three hundred twenty-seven million, seven hundred twenty-nine thousand, one hundred fifty-two".