4256155773 has 40 divisors (see below), whose sum is σ = 6647674176. Its totient is φ = 2708640000.

The previous prime is 4256155763. The next prime is 4256155789. The reversal of 4256155773 is 3775516524.

It is a happy number.

4256155773 is a `hidden beast` number, since 4 + 25 + 6 + 1 + 557 + 73 = 666.

It is not a de Polignac number, because 4256155773 - 2²⁶ = 4189046909 is a prime.

It is a super-2 number, since 2×4256155773² = 36229723928082455058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256155703) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1061773 + ... + 1065773.

Almost surely, 2^4256155773 is an apocalyptic number.

It is an amenable number.

4256155773 is a deficient number, since it is larger than the sum of its proper divisors (2391518403).

4256155773 is a wasteful number, since it uses less digits than its factorization.

4256155773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4598 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 4256155773 is about 65239.2195922054. The cubic root of 4256155773 is about 1620.5875749263.

The spelling of 4256155773 in words is "four billion, two hundred fifty-six million, one hundred fifty-five thousand, seven hundred seventy-three".