4526646644 has 48 divisors (see below), whose sum is σ = 9071990928. Its totient is φ = 1957797888.

The previous prime is 4526646623. The next prime is 4526646653. The reversal of 4526646644 is 4466466254.

It can be written as a sum of positive squares in 8 ways, for example, as 221712100 + 4304934544 = 14890^2 + 65612^2 .

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 194984 + ... + 216960.

It is an arithmetic number, because the mean of its divisors is an integer number (188999811).

Almost surely, 2^4526646644 is an apocalyptic number.

It is an amenable number.

4526646644 is an abundant number, since it is smaller than the sum of its proper divisors (4545344284).

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

4526646644 is a wasteful number, since it uses less digits than its factorization.

4526646644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22244 (or 22242 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 47.

The square root of 4526646644 is about 67280.3585305548. The cubic root of 4526646644 is about 1654.2159274621.

The spelling of 4526646644 in words is "four billion, five hundred twenty-six million, six hundred forty-six thousand, six hundred forty-four".