25454235030 has 64 divisors (see below), whose sum is σ = 70001763840. Its totient is φ = 5802741504.

The previous prime is 25454234999. The next prime is 25454235089. The reversal of 25454235030 is 3053245452.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25454234982 and 25454235000.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 80319 + ... + 239498.

It is an arithmetic number, because the mean of its divisors is an integer number (1093777560).

Almost surely, 2^25454235030 is an apocalyptic number.

25454235030 is an abundant number, since it is smaller than the sum of its proper divisors (44547528810).

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

25454235030 is a wasteful number, since it uses less digits than its factorization.

25454235030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320213.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 25454235030 in words is "twenty-five billion, four hundred fifty-four million, two hundred thirty-five thousand, thirty".