25843906900 has 36 divisors (see below), whose sum is σ = 64092890848. Its totient is φ = 8860767840.

The previous prime is 25843906897. The next prime is 25843906901. The reversal of 25843906900 is 960934852.

It is a super-2 number, since 2×25843906900² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25843906901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18459234 + ... + 18460633.

Almost surely, 2^25843906900 is an apocalyptic number.

25843906900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25843906900 is an abundant number, since it is smaller than the sum of its proper divisors (38248983948).

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

25843906900 is a wasteful number, since it uses less digits than its factorization.

25843906900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36919888 (or 36919881 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 25843906900 in words is "twenty-five billion, eight hundred forty-three million, nine hundred six thousand, nine hundred".