243046440456 has 16 divisors (see below), whose sum is σ = 607616101200. Its totient is φ = 81015480144.

The previous prime is 243046440451. The next prime is 243046440487. The reversal of 243046440456 is 654044640342.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (243046440451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063467486 + ... + 5063467533.

It is an arithmetic number, because the mean of its divisors is an integer number (37976006325).

Almost surely, 2^243046440456 is an apocalyptic number.

It is an amenable number.

243046440456 is an abundant number, since it is smaller than the sum of its proper divisors (364569660744).

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

243046440456 is a wasteful number, since it uses less digits than its factorization.

243046440456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126935028 (or 10126935024 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 243046440456 in words is "two hundred forty-three billion, forty-six million, four hundred forty thousand, four hundred fifty-six".