25790559570 has 192 divisors, whose sum is σ = 71389334016. Its totient is φ = 6696069120.

The previous prime is 25790559559. The next prime is 25790559581. The reversal of 25790559570 is 7595509752.

It is an interprime number because it is at equal distance from previous prime (25790559559) and next prime (25790559581).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27524142 + ... + 27525078.

It is an arithmetic number, because the mean of its divisors is an integer number (371819448).

Almost surely, 2^25790559570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25790559570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35694667008).

25790559570 is an abundant number, since it is smaller than the sum of its proper divisors (45598774446).

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

25790559570 is a wasteful number, since it uses less digits than its factorization.

25790559570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 4961250, while the sum is 54.

The spelling of 25790559570 in words is "twenty-five billion, seven hundred ninety million, five hundred fifty-nine thousand, five hundred seventy".