25714288332 has 288 divisors, whose sum is σ = 73044840960. Its totient is φ = 7591034880.

The previous prime is 25714288309. The next prime is 25714288339. The reversal of 25714288332 is 23388241752.

25714288332 is a `hidden beast` number, since 2 + 571 + 42 + 8 + 8 + 3 + 32 = 666.

It is a super-2 number, since 2×25714288332² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25714288339) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 163785198 + ... + 163785354.

It is an arithmetic number, because the mean of its divisors is an integer number (253627920).

Almost surely, 2^25714288332 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 25714288332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36522420480).

25714288332 is an abundant number, since it is smaller than the sum of its proper divisors (47330552628).

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

25714288332 is a wasteful number, since it uses less digits than its factorization.

25714288332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 396 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 25714288332 in words is "twenty-five billion, seven hundred fourteen million, two hundred eighty-eight thousand, three hundred thirty-two".