4564252881 has 30 divisors (see below), whose sum is σ = 6988767126. Its totient is φ = 2968531200.

The previous prime is 4564252879. The next prime is 4564252937. The reversal of 4564252881 is 1882524654.

4564252881 is a `hidden beast` number, since 4 + 5 + 6 + 42 + 528 + 81 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 364046400 + 4200206481 = 19080^2 + 64809^2 .

It is not a de Polignac number, because 4564252881 - 2¹ = 4564252879 is a prime.

It is a super-2 number, since 2×4564252881² = 41664808723433600322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564252981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 119401 + ... + 152921.

Almost surely, 2^4564252881 is an apocalyptic number.

4564252881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4564252881 is a deficient number, since it is larger than the sum of its proper divisors (2424514245).

4564252881 is an equidigital number, since it uses as much as digits as its factorization.

4564252881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33615 (or 33565 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 4564252881 is about 67559.2545918026. The cubic root of 4564252881 is about 1658.7842359738.

The spelling of 4564252881 in words is "four billion, five hundred sixty-four million, two hundred fifty-two thousand, eight hundred eighty-one".