25670731140 has 48 divisors (see below), whose sum is σ = 79864498560. Its totient is φ = 6845528160.

The previous prime is 25670731139. The next prime is 25670731169. The reversal of 25670731140 is 4113707652.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 25670731095 and 25670731104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23768656 + ... + 23769735.

It is an arithmetic number, because the mean of its divisors is an integer number (1663843720).

Almost surely, 2^25670731140 is an apocalyptic number.

25670731140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25670731140 is an abundant number, since it is smaller than the sum of its proper divisors (54193767420).

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

25670731140 is a wasteful number, since it uses less digits than its factorization.

25670731140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47538409 (or 47538401 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 25670731140 in words is "twenty-five billion, six hundred seventy million, seven hundred thirty-one thousand, one hundred forty".