4052640544 has 24 divisors (see below), whose sum is σ = 7980081228. Its totient is φ = 2025953280.

The previous prime is 4052640541. The next prime is 4052640547. The reversal of 4052640544 is 4450462504.

It is an interprime number because it is at equal distance from previous prime (4052640541) and next prime (4052640547).

It can be written as a sum of positive squares in 2 ways, for example, as 4052595600 + 44944 = 63660^2 + 212^2 .

It is not an unprimeable number, because it can be changed into a prime (4052640541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289384 + ... + 303064.

Almost surely, 2^4052640544 is an apocalyptic number.

It is an amenable number.

4052640544 is a deficient number, since it is larger than the sum of its proper divisors (3927440684).

4052640544 is a wasteful number, since it uses less digits than its factorization.

4052640544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22948 (or 22940 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 4052640544 is about 63660.3529993355. The cubic root of 4052640544 is about 1594.3341978611.

The spelling of 4052640544 in words is "four billion, fifty-two million, six hundred forty thousand, five hundred forty-four".