25799953730560 has 176 divisors, whose sum is σ = 66155655932352. Its totient is φ = 9630521753600.

The previous prime is 25799953730471. The next prime is 25799953730563. The reversal of 25799953730560 is 6503735999752.

It is a super-2 number, since 2×25799953730560² (a number of 28 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 25799953730560.

It is not an unprimeable number, because it can be changed into a prime (25799953730563) 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, 2156340 + ... + 7499980.

Almost surely, 2^{25799953730560} is an apocalyptic number.

25799953730560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25799953730560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33077827966176).

25799953730560 is an abundant number, since it is smaller than the sum of its proper divisors (40355702201792).

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

25799953730560 is a wasteful number, since it uses less digits than its factorization.

25799953730560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343730 (or 5343712 counting only the distinct ones).

The product of its (nonzero) digits is 482233500, while the sum is 70.

The spelling of 25799953730560 in words is "twenty-five trillion, seven hundred ninety-nine billion, nine hundred fifty-three million, seven hundred thirty thousand, five hundred sixty".