25402255360 has 192 divisors, whose sum is σ = 63694285200. Its totient is φ = 9710862336.

The previous prime is 25402255301. The next prime is 25402255369. The reversal of 25402255360 is 6355220452.

It can be written as a sum of positive squares in 8 ways, for example, as 5005845504 + 20396409856 = 70752^2 + 142816^2 .

It is not an unprimeable number, because it can be changed into a prime (25402255369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33556102 + ... + 33556858.

Almost surely, 2^25402255360 is an apocalyptic number.

25402255360 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 25402255360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31847142600).

25402255360 is an abundant number, since it is smaller than the sum of its proper divisors (38292029840).

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

25402255360 is a wasteful number, since it uses less digits than its factorization.

25402255360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 25402255360 in words is "twenty-five billion, four hundred two million, two hundred fifty-five thousand, three hundred sixty".