4557718272 has 72 divisors (see below), whose sum is σ = 12657625344. Its totient is φ = 1453179904.

The previous prime is 4557718267. The next prime is 4557718279. The reversal of 4557718272 is 2728177554.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (4557718279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111348 + ... + 146675.

It is an arithmetic number, because the mean of its divisors is an integer number (175800352).

Almost surely, 2^4557718272 is an apocalyptic number.

It is an amenable number.

4557718272 is an abundant number, since it is smaller than the sum of its proper divisors (8099907072).

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

4557718272 is a wasteful number, since it uses less digits than its factorization.

4557718272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258065 (or 258051 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 48.

The square root of 4557718272 is about 67510.8752128129. The cubic root of 4557718272 is about 1657.9922346140.

The spelling of 4557718272 in words is "four billion, five hundred fifty-seven million, seven hundred eighteen thousand, two hundred seventy-two".