25850241047840 has 96 divisors (see below), whose sum is σ = 66625280749440. Its totient is φ = 9399782963200.

The previous prime is 25850241047797. The next prime is 25850241047857. The reversal of 25850241047840 is 4874014205852.

It is a super-2 number, since 2×25850241047840² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58141901 + ... + 58584819.

It is an arithmetic number, because the mean of its divisors is an integer number (694013341140).

Almost surely, 2^{25850241047840} is an apocalyptic number.

25850241047840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25850241047840 is an abundant number, since it is smaller than the sum of its proper divisors (40775039701600).

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

25850241047840 is a wasteful number, since it uses less digits than its factorization.

25850241047840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476106 (or 476098 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 50.

The spelling of 25850241047840 in words is "twenty-five trillion, eight hundred fifty billion, two hundred forty-one million, forty-seven thousand, eight hundred forty".