25958127660 has 24 divisors (see below), whose sum is σ = 72682757616. Its totient is φ = 6922167360.

The previous prime is 25958127581. The next prime is 25958127661. The reversal of 25958127660 is 6672185952.

It is a super-2 number, since 2×25958127660² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25958127661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216317671 + ... + 216317790.

It is an arithmetic number, because the mean of its divisors is an integer number (3028448234).

Almost surely, 2^25958127660 is an apocalyptic number.

25958127660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25958127660 is an abundant number, since it is smaller than the sum of its proper divisors (46724629956).

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

25958127660 is a wasteful number, since it uses less digits than its factorization.

25958127660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432635473 (or 432635471 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 25958127660 in words is "twenty-five billion, nine hundred fifty-eight million, one hundred twenty-seven thousand, six hundred sixty".