4756440578 has 6 divisors (see below), whose sum is σ = 7134807171. Its totient is φ = 2378171522.

The previous prime is 4756440569. The next prime is 4756440589. The reversal of 4756440578 is 8750446574.

It can be written as a sum of positive squares in only one way, i.e., 2378220289 + 2378220289 = 48767^2 + 48767^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=48767.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 73151 + ... + 121917.

Almost surely, 2^4756440578 is an apocalyptic number.

4756440578 is a deficient number, since it is larger than the sum of its proper divisors (2378366593).

4756440578 is an frugal number, since it uses more digits than its factorization.

4756440578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97536 (or 48769 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 50.

The square root of 4756440578 is about 68966.9527962487. The cubic root of 4756440578 is about 1681.7471169315.

Multiplying 4756440578 by its sum of digits (50), we get a square (237822028900 = 487670²).

The spelling of 4756440578 in words is "four billion, seven hundred fifty-six million, four hundred forty thousand, five hundred seventy-eight".