4255829250561 has 48 divisors (see below), whose sum is σ = 7034817613824. Its totient is φ = 2428677866592.

The previous prime is 4255829250539. The next prime is 4255829250583. The reversal of 4255829250561 is 1650529285524.

It is a happy number.

4255829250561 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 8 + 29 + 2 + 50 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (4255829250539) and next prime (4255829250583).

It is not a de Polignac number, because 4255829250561 - 2⁵ = 4255829250529 is a prime.

It is a super-2 number, since 2×4255829250561² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4255829250498 and 4255829250507.

It is not an unprimeable number, because it can be changed into a prime (4255829250511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157010736 + ... + 157037838.

It is an arithmetic number, because the mean of its divisors is an integer number (146558700288).

Almost surely, 2^{4255829250561} is an apocalyptic number.

It is an amenable number.

4255829250561 is a deficient number, since it is larger than the sum of its proper divisors (2778988363263).

4255829250561 is a wasteful number, since it uses less digits than its factorization.

4255829250561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30330 (or 30327 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 54.

The spelling of 4255829250561 in words is "four trillion, two hundred fifty-five billion, eight hundred twenty-nine million, two hundred fifty thousand, five hundred sixty-one".