25746432120 has 64 divisors (see below), whose sum is σ = 85821444000. Its totient is φ = 6865714944.

The previous prime is 25746432113. The next prime is 25746432121. The reversal of 25746432120 is 2123464752.

25746432120 is a `hidden beast` number, since 2 + 5 + 7 + 4 + 643 + 2 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25746432121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11918565 + ... + 11920724.

Almost surely, 2^25746432120 is an apocalyptic number.

25746432120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25746432120 is an abundant number, since it is smaller than the sum of its proper divisors (60075011880).

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

25746432120 is a wasteful number, since it uses less digits than its factorization.

25746432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23839309 (or 23839299 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 25746432120 its reverse (2123464752), we get a palindrome (27869896872).

The spelling of 25746432120 in words is "twenty-five billion, seven hundred forty-six million, four hundred thirty-two thousand, one hundred twenty".