25875811833480 has 576 divisors, whose sum is σ = 107417269290240. Its totient is φ = 5566559459328.

The previous prime is 25875811833449. The next prime is 25875811833481. The reversal of 25875811833480 is 8433811857852.

25875811833480 is a `hidden beast` number, since 2 + 5 + 8 + 7 + 5 + 8 + 118 + 33 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (25875811833481) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6498849 + ... + 9694671.

It is an arithmetic number, because the mean of its divisors is an integer number (186488314740).

Almost surely, 2^{25875811833480} is an apocalyptic number.

25875811833480 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 25875811833480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53708634645120).

25875811833480 is an abundant number, since it is smaller than the sum of its proper divisors (81541457456760).

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

25875811833480 is a wasteful number, since it uses less digits than its factorization.

25875811833480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195880 (or 3195857 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 25875811833480 in words is "twenty-five trillion, eight hundred seventy-five billion, eight hundred eleven million, eight hundred thirty-three thousand, four hundred eighty".