25004565630 has 192 divisors, whose sum is σ = 74939904000. Its totient is φ = 5720751360.

The previous prime is 25004565587. The next prime is 25004565659. The reversal of 25004565630 is 3656540052.

It is a happy number.

25004565630 is a `hidden beast` number, since 2 + 50 + 0 + 45 + 6 + 563 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 5207971 + ... + 5212769.

It is an arithmetic number, because the mean of its divisors is an integer number (390312000).

Almost surely, 2^25004565630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25004565630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37469952000).

25004565630 is an abundant number, since it is smaller than the sum of its proper divisors (49935338370).

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

25004565630 is a wasteful number, since it uses less digits than its factorization.

25004565630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119 (or 5116 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 25004565630 in words is "twenty-five billion, four million, five hundred sixty-five thousand, six hundred thirty".