25678305504720 has 240 divisors, whose sum is σ = 94079349554112. Its totient is φ = 6224820387840.

The previous prime is 25678305504679. The next prime is 25678305504727. The reversal of 25678305504720 is 2740550387652.

25678305504720 is a `hidden beast` number, since 2 + 5 + 6 + 7 + 83 + 0 + 550 + 4 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25678305504727) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 366447127 + ... + 366517193.

Almost surely, 2^{25678305504720} is an apocalyptic number.

25678305504720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25678305504720 is an abundant number, since it is smaller than the sum of its proper divisors (68401044049392).

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

25678305504720 is a wasteful number, since it uses less digits than its factorization.

25678305504720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116370 (or 116361 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 25678305504720 in words is "twenty-five trillion, six hundred seventy-eight billion, three hundred five million, five hundred four thousand, seven hundred twenty".