25420527360 has 432 divisors, whose sum is σ = 94293186624. Its totient is φ = 6306398208.

The previous prime is 25420527331. The next prime is 25420527401. The reversal of 25420527360 is 6372502452.

25420527360 is a `hidden beast` number, since 2 + 54 + 20 + 527 + 3 + 60 = 666.

It is a super-2 number, since 2×25420527360² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9802224 + ... + 9804816.

Almost surely, 2^25420527360 is an apocalyptic number.

25420527360 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 25420527360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47146593312).

25420527360 is an abundant number, since it is smaller than the sum of its proper divisors (68872659264).

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

25420527360 is a wasteful number, since it uses less digits than its factorization.

25420527360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 25420527360 in words is "twenty-five billion, four hundred twenty million, five hundred twenty-seven thousand, three hundred sixty".