25274474671068 has 192 divisors, whose sum is σ = 76430535552000. Its totient is φ = 7219871366400.

The previous prime is 25274474671037. The next prime is 25274474671087. The reversal of 25274474671068 is 86017647447252.

It is a happy number.

25274474671068 is a `hidden beast` number, since 2 + 5 + 2 + 74 + 47 + 467 + 1 + 0 + 68 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 25274474670996 and 25274474671014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198010468 + ... + 198138068.

It is an arithmetic number, because the mean of its divisors is an integer number (398075706000).

Almost surely, 2^{25274474671068} is an apocalyptic number.

25274474671068 is a gapful number since it is divisible by the number (28) 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 25274474671068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38215267776000).

25274474671068 is an abundant number, since it is smaller than the sum of its proper divisors (51156060880932).

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

25274474671068 is a wasteful number, since it uses less digits than its factorization.

25274474671068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132982 (or 132960 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 63.

The spelling of 25274474671068 in words is "twenty-five trillion, two hundred seventy-four billion, four hundred seventy-four million, six hundred seventy-one thousand, sixty-eight".