25068478032 has 120 divisors (see below), whose sum is σ = 75704920200. Its totient is φ = 7697931264.

The previous prime is 25068478027. The next prime is 25068478087. The reversal of 25068478032 is 23087486052.

It can be written as a sum of positive squares in 4 ways, for example, as 349091856 + 24719386176 = 18684^2 + 157224^2 .

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 939694 + ... + 966002.

It is an arithmetic number, because the mean of its divisors is an integer number (630874335).

Almost surely, 2^25068478032 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 25068478032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37852460100).

25068478032 is an abundant number, since it is smaller than the sum of its proper divisors (50636442168).

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

25068478032 is a wasteful number, since it uses less digits than its factorization.

25068478032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845 (or 26836 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25068478032 in words is "twenty-five billion, sixty-eight million, four hundred seventy-eight thousand, thirty-two".