25320502253760 has 224 divisors, whose sum is σ = 91884884129280. Its totient is φ = 5787062550528.

The previous prime is 25320502253749. The next prime is 25320502253873. The reversal of 25320502253760 is 6735220502352.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×25320502253760² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 84111832 + ... + 84412328.

Almost surely, 2^{25320502253760} is an apocalyptic number.

25320502253760 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 25320502253760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45942442064640).

25320502253760 is an abundant number, since it is smaller than the sum of its proper divisors (66564381875520).

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

25320502253760 is a wasteful number, since it uses less digits than its factorization.

25320502253760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313063 (or 313053 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 25320502253760 in words is "twenty-five trillion, three hundred twenty billion, five hundred two million, two hundred fifty-three thousand, seven hundred sixty".