25958374041600 has 5760 divisors, whose sum is σ = 133362201772800. Its totient is φ = 4844460441600.

The previous prime is 25958374041583. The next prime is 25958374041629. The reversal of 25958374041600 is 614047385952.

It is a happy number.

25958374041600 is a `hidden beast` number, since 2 + 5 + 9 + 583 + 7 + 40 + 4 + 16 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

It is a super-2 number, since 2×25958374041600² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 701577676782 + ... + 701577676818.

It is an arithmetic number, because the mean of its divisors is an integer number (23153160030).

It is a 2-persistent number, because it is pandigital, and so is 2⋅25958374041600 = 51916748083200, but 3⋅25958374041600 = 77875122124800 is not.

Almost surely, 2^{25958374041600} is an apocalyptic number.

25958374041600 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 25958374041600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66681100886400).

25958374041600 is an abundant number, since it is smaller than the sum of its proper divisors (107403827731200).

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

25958374041600 is a wasteful number, since it uses less digits than its factorization.

25958374041600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 25958374041600 in words is "twenty-five trillion, nine hundred fifty-eight billion, three hundred seventy-four million, forty-one thousand, six hundred".