25826056829970 has 64 divisors (see below), whose sum is σ = 64051951353984. Its totient is φ = 6660185011200.

The previous prime is 25826056829929. The next prime is 25826056829971. The reversal of 25826056829970 is 7992865062852.

It is a super-2 number, since 2×25826056829970² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25826056829895 and 25826056829904.

It is not an unprimeable number, because it can be changed into a prime (25826056829971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98979607 + ... + 99240186.

It is an arithmetic number, because the mean of its divisors is an integer number (1000811739906).

Almost surely, 2^{25826056829970} is an apocalyptic number.

25826056829970 is an abundant number, since it is smaller than the sum of its proper divisors (38225894524014).

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

25826056829970 is a wasteful number, since it uses less digits than its factorization.

25826056829970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198219947.

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 25826056829970 in words is "twenty-five trillion, eight hundred twenty-six billion, fifty-six million, eight hundred twenty-nine thousand, nine hundred seventy".