4572540938 has 24 divisors (see below), whose sum is σ = 7989992100. Its totient is φ = 1956866688.

The previous prime is 4572540899. The next prime is 4572540989. The reversal of 4572540938 is 8390452754.

It can be written as a sum of positive squares in 2 ways, for example, as 4545051889 + 27489049 = 67417^2 + 5243^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4572540892 and 4572540901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36578 + ... + 102386.

Almost surely, 2^4572540938 is an apocalyptic number.

4572540938 is a deficient number, since it is larger than the sum of its proper divisors (3417451162).

4572540938 is a wasteful number, since it uses less digits than its factorization.

4572540938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66534 (or 66527 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 4572540938 is about 67620.5659396607. The cubic root of 4572540938 is about 1659.7876703793.

The spelling of 4572540938 in words is "four billion, five hundred seventy-two million, five hundred forty thousand, nine hundred thirty-eight".