25918140970 has 16 divisors (see below), whose sum is σ = 46661028480. Its totient is φ = 10365395344.

The previous prime is 25918140869. The next prime is 25918140973. The reversal of 25918140970 is 7904181952.

It is a self number, because there is not a number n which added to its sum of digits gives 25918140970.

It is not an unprimeable number, because it can be changed into a prime (25918140973) 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, 173422 + ... + 286201.

It is an arithmetic number, because the mean of its divisors is an integer number (2916314280).

Almost surely, 2^25918140970 is an apocalyptic number.

25918140970 is a deficient number, since it is larger than the sum of its proper divisors (20742887510).

25918140970 is a wasteful number, since it uses less digits than its factorization.

25918140970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465269.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 25918140970 in words is "twenty-five billion, nine hundred eighteen million, one hundred forty thousand, nine hundred seventy".