4457643040 has 48 divisors (see below), whose sum is σ = 10557859032. Its totient is φ = 1778540544.

The previous prime is 4457643007. The next prime is 4457643059. The reversal of 4457643040 is 403467544.

It can be written as a sum of positive squares in 4 ways, for example, as 2712743056 + 1744899984 = 52084^2 + 41772^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28432 + ... + 98608.

Almost surely, 2^4457643040 is an apocalyptic number.

4457643040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4457643040 is an abundant number, since it is smaller than the sum of its proper divisors (6100215992).

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

4457643040 is a wasteful number, since it uses less digits than its factorization.

4457643040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70589 (or 70581 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 4457643040 is about 66765.5827503962. The cubic root of 4457643040 is about 1645.7673012458.

It can be divided in two parts, 44576 and 43040, that added together give a square (87616 = 296²).

The spelling of 4457643040 in words is "four billion, four hundred fifty-seven million, six hundred forty-three thousand, forty".