25393830930 has 192 divisors, whose sum is σ = 73053646848. Its totient is φ = 6080209920.

The previous prime is 25393830929. The next prime is 25393830953. The reversal of 25393830930 is 3903839352.

It is a happy number.

25393830930 is a `hidden beast` number, since 2 + 539 + 3 + 83 + 0 + 9 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23360847 + ... + 23361933.

It is an arithmetic number, because the mean of its divisors is an integer number (380487744).

Almost surely, 2^25393830930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25393830930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36526823424).

25393830930 is an abundant number, since it is smaller than the sum of its proper divisors (47659815918).

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

25393830930 is a wasteful number, since it uses less digits than its factorization.

25393830930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The spelling of 25393830930 in words is "twenty-five billion, three hundred ninety-three million, eight hundred thirty thousand, nine hundred thirty".