25642303302 has 64 divisors (see below), whose sum is σ = 64467813888. Its totient is φ = 6660324000.

The previous prime is 25642303213. The next prime is 25642303307. The reversal of 25642303302 is 20330324652.

It is a self number, because there is not a number n which added to its sum of digits gives 25642303302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25642303307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173449 + ... + 285252.

It is an arithmetic number, because the mean of its divisors is an integer number (1007309592).

Almost surely, 2^25642303302 is an apocalyptic number.

25642303302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25642303302 is an abundant number, since it is smaller than the sum of its proper divisors (38825510586).

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

25642303302 is a wasteful number, since it uses less digits than its factorization.

25642303302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458746 (or 458724 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 25642303302 its reverse (20330324652), we get a palindrome (45972627954).

The spelling of 25642303302 in words is "twenty-five billion, six hundred forty-two million, three hundred three thousand, three hundred two".