25864022946 has 16 divisors (see below), whose sum is σ = 51803790624. Its totient is φ = 8608716864.

The previous prime is 25864022917. The next prime is 25864022981. The reversal of 25864022946 is 64922046852.

It is a junction number, because it is equal to n+sod(n) for n = 25864022895 and 25864022904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151591 + ... + 3159786.

It is an arithmetic number, because the mean of its divisors is an integer number (3237736914).

Almost surely, 2^25864022946 is an apocalyptic number.

25864022946 is an abundant number, since it is smaller than the sum of its proper divisors (25939767678).

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

25864022946 is a wasteful number, since it uses less digits than its factorization.

25864022946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312065.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 25864022946 in words is "twenty-five billion, eight hundred sixty-four million, twenty-two thousand, nine hundred forty-six".