4243531456 has 28 divisors (see below), whose sum is σ = 8471202768. Its totient is φ = 2109055232.

The previous prime is 4243531433. The next prime is 4243531469. The reversal of 4243531456 is 6541353424.

It is a super-2 number, since 2×4243531456² = 36015118436122959872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187831 + ... + 209206.

It is an arithmetic number, because the mean of its divisors is an integer number (302542956).

Almost surely, 2^4243531456 is an apocalyptic number.

It is an amenable number.

4243531456 is a deficient number, since it is larger than the sum of its proper divisors (4227671312).

4243531456 is a wasteful number, since it uses less digits than its factorization.

4243531456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397216 (or 397206 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 4243531456 is about 65142.3936925870. The cubic root of 4243531456 is about 1618.9836962462.

The spelling of 4243531456 in words is "four billion, two hundred forty-three million, five hundred thirty-one thousand, four hundred fifty-six".