4255831783557 has 32 divisors (see below), whose sum is σ = 6640870256000. Its totient is φ = 2686235063040.

The previous prime is 4255831783529. The next prime is 4255831783571. The reversal of 4255831783557 is 7553871385524.

It is a happy number.

4255831783557 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 8 + 3 + 1 + 78 + 3 + 557 = 666.

It is not a de Polignac number, because 4255831783557 - 2¹⁸ = 4255831521413 is a prime.

It is a super-2 number, since 2×4255831783557² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4255831783494 and 4255831783503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255831783517) 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, 1727332 + ... + 3390477.

It is an arithmetic number, because the mean of its divisors is an integer number (207527195500).

Almost surely, 2^{4255831783557} is an apocalyptic number.

It is an amenable number.

4255831783557 is a deficient number, since it is larger than the sum of its proper divisors (2385038472443).

4255831783557 is a wasteful number, since it uses less digits than its factorization.

4255831783557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119458 (or 5119452 counting only the distinct ones).

The product of its digits is 141120000, while the sum is 63.

The spelling of 4255831783557 in words is "four trillion, two hundred fifty-five billion, eight hundred thirty-one million, seven hundred eighty-three thousand, five hundred fifty-seven".