25442345982360 has 128 divisors (see below), whose sum is σ = 79289923023360. Its totient is φ = 6525919411200.

The previous prime is 25442345982341. The next prime is 25442345982373. The reversal of 25442345982360 is 6328954324452.

It is a super-2 number, since 2×25442345982360² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25442345982360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36067642 + ... + 36766281.

It is an arithmetic number, because the mean of its divisors is an integer number (619452523620).

Almost surely, 2^{25442345982360} is an apocalyptic number.

25442345982360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25442345982360 is an abundant number, since it is smaller than the sum of its proper divisors (53847577041000).

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

25442345982360 is a wasteful number, since it uses less digits than its factorization.

25442345982360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72834049 (or 72834045 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 57.

The spelling of 25442345982360 in words is "twenty-five trillion, four hundred forty-two billion, three hundred forty-five million, nine hundred eighty-two thousand, three hundred sixty".