25426411260520 has 64 divisors (see below), whose sum is σ = 57247208265600. Its totient is φ = 10163849829120.

The previous prime is 25426411260473. The next prime is 25426411260521. The reversal of 25426411260520 is 2506211462452.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (25426411260521) 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, 389423317 + ... + 389488603.

It is an arithmetic number, because the mean of its divisors is an integer number (894487629150).

Almost surely, 2^{25426411260520} is an apocalyptic number.

25426411260520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25426411260520 is an abundant number, since it is smaller than the sum of its proper divisors (31820797005080).

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

25426411260520 is a wasteful number, since it uses less digits than its factorization.

25426411260520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71578 (or 71574 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 25426411260520 in words is "twenty-five trillion, four hundred twenty-six billion, four hundred eleven million, two hundred sixty thousand, five hundred twenty".