25416040636 has 24 divisors (see below), whose sum is σ = 50837607296. Its totient is φ = 10891404720.

The previous prime is 25416040627. The next prime is 25416040679. The reversal of 25416040636 is 63604061452.

It is a super-2 number, since 2×25416040636² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25416040595 and 25416040604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243271 + ... + 331681.

Almost surely, 2^25416040636 is an apocalyptic number.

It is an amenable number.

25416040636 is an abundant number, since it is smaller than the sum of its proper divisors (25421566660).

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

25416040636 is a wasteful number, since it uses less digits than its factorization.

25416040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98689 (or 98687 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 25416040636 in words is "twenty-five billion, four hundred sixteen million, forty thousand, six hundred thirty-six".