25334890308 has 144 divisors (see below), whose sum is σ = 79012053120. Its totient is φ = 6665421312.

The previous prime is 25334890283. The next prime is 25334890309. The reversal of 25334890308 is 80309843352.

25334890308 is a `hidden beast` number, since 2 + 5 + 334 + 8 + 9 + 0 + 308 = 666.

It is not an unprimeable number, because it can be changed into a prime (25334890309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1363416 + ... + 1381872.

Almost surely, 2^25334890308 is an apocalyptic number.

25334890308 is a gapful number since it is divisible by the number (28) 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 25334890308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39506026560).

25334890308 is an abundant number, since it is smaller than the sum of its proper divisors (53677162812).

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

25334890308 is a wasteful number, since it uses less digits than its factorization.

25334890308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18906 (or 18901 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 25334890308 in words is "twenty-five billion, three hundred thirty-four million, eight hundred ninety thousand, three hundred eight".