25679127040 has 80 divisors (see below), whose sum is σ = 70365442752. Its totient is φ = 8804265984.

The previous prime is 25679127037. The next prime is 25679127049. The reversal of 25679127040 is 4072197652.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (25679127049) 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, 698574 + ... + 734413.

Almost surely, 2^25679127040 is an apocalyptic number.

25679127040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25679127040 is an abundant number, since it is smaller than the sum of its proper divisors (44686315712).

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

25679127040 is an equidigital number, since it uses as much as digits as its factorization.

25679127040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433017 (or 1433001 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 25679127040 in words is "twenty-five billion, six hundred seventy-nine million, one hundred twenty-seven thousand, forty".