25082434900 has 36 divisors (see below), whose sum is σ = 55241269888. Its totient is φ = 9883225440.

The previous prime is 25082434859. The next prime is 25082434903. The reversal of 25082434900 is 943428052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25082434900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25082434903) 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, 1865124 + ... + 1878523.

Almost surely, 2^25082434900 is an apocalyptic number.

25082434900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25082434900 is an abundant number, since it is smaller than the sum of its proper divisors (30158834988).

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

25082434900 is a wasteful number, since it uses less digits than its factorization.

25082434900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743728 (or 3743721 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 25082434900 in words is "twenty-five billion, eighty-two million, four hundred thirty-four thousand, nine hundred".