243263456046 has 72 divisors (see below), whose sum is σ = 595548164016. Its totient is φ = 71595912960.

The previous prime is 243263456021. The next prime is 243263456047. The reversal of 243263456046 is 640654362342.

243263456046 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 6 + 34 + 5 + 604 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 243263455992 and 243263456010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243263456047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1668475 + ... + 1808406.

It is an arithmetic number, because the mean of its divisors is an integer number (8271502278).

Almost surely, 2^243263456046 is an apocalyptic number.

243263456046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

243263456046 is an abundant number, since it is smaller than the sum of its proper divisors (352284707970).

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

243263456046 is a wasteful number, since it uses less digits than its factorization.

243263456046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476938 (or 3476922 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 243263456046 in words is "two hundred forty-three billion, two hundred sixty-three million, four hundred fifty-six thousand, forty-six".