25426356480 has 432 divisors, whose sum is σ = 104919010560. Its totient is φ = 5558648832.

The previous prime is 25426356467. The next prime is 25426356499. The reversal of 25426356480 is 8465362452.

25426356480 is a `hidden beast` number, since 2 + 5 + 4 + 2 + 6 + 3 + 564 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1847866 + ... + 1861574.

It is an arithmetic number, because the mean of its divisors is an integer number (242868080).

Almost surely, 2^25426356480 is an apocalyptic number.

25426356480 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 25426356480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52459505280).

25426356480 is an abundant number, since it is smaller than the sum of its proper divisors (79492654080).

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

25426356480 is a wasteful number, since it uses less digits than its factorization.

25426356480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766 (or 13749 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 25426356480 in words is "twenty-five billion, four hundred twenty-six million, three hundred fifty-six thousand, four hundred eighty".