25160356266420 has 384 divisors, whose sum is σ = 77919625728000. Its totient is φ = 6044260884480.

The previous prime is 25160356266403. The next prime is 25160356266481. The reversal of 25160356266420 is 2466265306152.

It is a self number, because there is not a number n which added to its sum of digits gives 25160356266420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 253049676 + ... + 253149084.

It is an arithmetic number, because the mean of its divisors is an integer number (202915692000).

Almost surely, 2^{25160356266420} is an apocalyptic number.

25160356266420 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 25160356266420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38959812864000).

25160356266420 is an abundant number, since it is smaller than the sum of its proper divisors (52759269461580).

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

25160356266420 is a wasteful number, since it uses less digits than its factorization.

25160356266420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99623 (or 99621 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 25160356266420 in words is "twenty-five trillion, one hundred sixty billion, three hundred fifty-six million, two hundred sixty-six thousand, four hundred twenty".