25771374960 has 40 divisors (see below), whose sum is σ = 79891263120. Its totient is φ = 6872366592.

The previous prime is 25771374901. The next prime is 25771374973. The reversal of 25771374960 is 6947317752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53690125 + ... + 53690604.

It is an arithmetic number, because the mean of its divisors is an integer number (1997281578).

Almost surely, 2^25771374960 is an apocalyptic number.

25771374960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25771374960 is an abundant number, since it is smaller than the sum of its proper divisors (54119888160).

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

25771374960 is a wasteful number, since it uses less digits than its factorization.

25771374960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107380745 (or 107380739 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 25771374960 in words is "twenty-five billion, seven hundred seventy-one million, three hundred seventy-four thousand, nine hundred sixty".