25352355204 has 144 divisors (see below), whose sum is σ = 74414785536. Its totient is φ = 7192396800.

The previous prime is 25352355173. The next prime is 25352355209. The reversal of 25352355204 is 40255325352.

25352355204 is a `hidden beast` number, since 2 + 53 + 52 + 3 + 552 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25352355209) 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, 1275954 + ... + 1295670.

It is an arithmetic number, because the mean of its divisors is an integer number (516769344).

Almost surely, 2^25352355204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25352355204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37207392768).

25352355204 is an abundant number, since it is smaller than the sum of its proper divisors (49062430332).

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

25352355204 is a wasteful number, since it uses less digits than its factorization.

25352355204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946 (or 19941 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 25352355204 in words is "twenty-five billion, three hundred fifty-two million, three hundred fifty-five thousand, two hundred four".