25923404430 has 240 divisors, whose sum is σ = 88458494256. Its totient is φ = 5386590720.

The previous prime is 25923404411. The next prime is 25923404473. The reversal of 25923404430 is 3440432952.

25923404430 is a `hidden beast` number, since 2 + 592 + 34 + 0 + 4 + 4 + 30 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 406902 + ... + 466278.

Almost surely, 2^25923404430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25923404430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44229247128).

25923404430 is an abundant number, since it is smaller than the sum of its proper divisors (62535089826).

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

25923404430 is a wasteful number, since it uses less digits than its factorization.

25923404430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59421 (or 59405 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 25923404430 in words is "twenty-five billion, nine hundred twenty-three million, four hundred four thousand, four hundred thirty".