4531772826 has 64 divisors (see below), whose sum is σ = 11537007360. Its totient is φ = 1291671360.

The previous prime is 4531772813. The next prime is 4531772837. The reversal of 4531772826 is 6282771354.

4531772826 is a `hidden beast` number, since 4 + 531 + 77 + 28 + 26 = 666.

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 31 ways as a sum of consecutive naturals, for example, 144900 + ... + 173376.

It is an arithmetic number, because the mean of its divisors is an integer number (180265740).

Almost surely, 2^4531772826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4531772826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5768503680).

4531772826 is an abundant number, since it is smaller than the sum of its proper divisors (7005234534).

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

4531772826 is a wasteful number, since it uses less digits than its factorization.

4531772826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28916 (or 28910 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 4531772826 is about 67318.4434312024. The cubic root of 4531772826 is about 1654.8401285256.

The spelling of 4531772826 in words is "four billion, five hundred thirty-one million, seven hundred seventy-two thousand, eight hundred twenty-six".