25505282830 has 16 divisors (see below), whose sum is σ = 45915315264. Its totient is φ = 10200822880.

The previous prime is 25505282827. The next prime is 25505282837. The reversal of 25505282830 is 3828250552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505282837) 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, 76117 + ... + 238336.

It is an arithmetic number, because the mean of its divisors is an integer number (2869707204).

Almost surely, 2^25505282830 is an apocalyptic number.

25505282830 is a deficient number, since it is larger than the sum of its proper divisors (20410032434).

25505282830 is a wasteful number, since it uses less digits than its factorization.

25505282830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322571.

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 25505282830 in words is "twenty-five billion, five hundred five million, two hundred eighty-two thousand, eight hundred thirty".