25740940063 has 8 divisors (see below), whose sum is σ = 26010072000. Its totient is φ = 25473093408.

The previous prime is 25740940039. The next prime is 25740940081. The reversal of 25740940063 is 36004904752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25740940063 - 2²⁵ = 25707385631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25740939998 and 25740940025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740940033) 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, 281031 + ... + 361192.

It is an arithmetic number, because the mean of its divisors is an integer number (3251259000).

Almost surely, 2^25740940063 is an apocalyptic number.

25740940063 is a deficient number, since it is larger than the sum of its proper divisors (269131937).

25740940063 is a wasteful number, since it uses less digits than its factorization.

25740940063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642641.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 25740940063 in words is "twenty-five billion, seven hundred forty million, nine hundred forty thousand, sixty-three".