25332950890 has 32 divisors (see below), whose sum is σ = 49114020816. Its totient is φ = 9352358400.

The previous prime is 25332950849. The next prime is 25332950947. The reversal of 25332950890 is 9805923352.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6043352121 + 19289598769 = 77739^2 + 138887^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25332950890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1637190 + ... + 1652590.

Almost surely, 2^25332950890 is an apocalyptic number.

25332950890 is a deficient number, since it is larger than the sum of its proper divisors (23781069926).

25332950890 is a wasteful number, since it uses less digits than its factorization.

25332950890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 25332950890 in words is "twenty-five billion, three hundred thirty-two million, nine hundred fifty thousand, eight hundred ninety".