25500653304 has 128 divisors (see below), whose sum is σ = 74465664000. Its totient is φ = 7274171520.

The previous prime is 25500653303. The next prime is 25500653309. The reversal of 25500653304 is 40335600552.

It is a super-2 number, since 2×25500653304² (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 (25500653303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5982534 + ... + 5986794.

It is an arithmetic number, because the mean of its divisors is an integer number (581763000).

Almost surely, 2^25500653304 is an apocalyptic number.

25500653304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25500653304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37232832000).

25500653304 is an abundant number, since it is smaller than the sum of its proper divisors (48965010696).

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

25500653304 is a wasteful number, since it uses less digits than its factorization.

25500653304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 25500653304 in words is "twenty-five billion, five hundred million, six hundred fifty-three thousand, three hundred four".