25952767590 has 32 divisors (see below), whose sum is σ = 62290964736. Its totient is φ = 6920257760.

The previous prime is 25952767573. The next prime is 25952767597. The reversal of 25952767590 is 9576725952.

It is a happy number.

It is a super-2 number, since 2×25952767590² (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 25952767590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25952767597) 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 15 ways as a sum of consecutive naturals, for example, 702685 + ... + 738695.

It is an arithmetic number, because the mean of its divisors is an integer number (1946592648).

Almost surely, 2^25952767590 is an apocalyptic number.

25952767590 is an abundant number, since it is smaller than the sum of its proper divisors (36338197146).

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

25952767590 is a wasteful number, since it uses less digits than its factorization.

25952767590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60044.

The product of its (nonzero) digits is 11907000, while the sum is 57.

The spelling of 25952767590 in words is "twenty-five billion, nine hundred fifty-two million, seven hundred sixty-seven thousand, five hundred ninety".