25832364490 has 8 divisors (see below), whose sum is σ = 46498256100. Its totient is φ = 10332945792.

The previous prime is 25832364457. The next prime is 25832364497. The reversal of 25832364490 is 9446323852.

It can be written as a sum of positive squares in 2 ways, for example, as 20911762881 + 4920601609 = 144609^2 + 70147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25832364490² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25832364490.

It is not an unprimeable number, because it can be changed into a prime (25832364497) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1291618215 + ... + 1291618234.

Almost surely, 2^25832364490 is an apocalyptic number.

25832364490 is a deficient number, since it is larger than the sum of its proper divisors (20665891610).

25832364490 is a wasteful number, since it uses less digits than its factorization.

25832364490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583236456.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 25832364490 in words is "twenty-five billion, eight hundred thirty-two million, three hundred sixty-four thousand, four hundred ninety".