243433155400 has 48 divisors (see below), whose sum is σ = 566084767140. Its totient is φ = 97355596800.

The previous prime is 243433155397. The next prime is 243433155421. The reversal of 243433155400 is 4551334342.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 82120072356 + 161313083044 = 286566^2 + 401638^2 .

It is a super-2 number, since 2×243433155400² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023820 + ... + 1238980.

Almost surely, 2^243433155400 is an apocalyptic number.

243433155400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243433155400 is an abundant number, since it is smaller than the sum of its proper divisors (322651611740).

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

243433155400 is a wasteful number, since it uses less digits than its factorization.

243433155400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220834 (or 220825 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 243433155400 its reverse (4551334342), we get a palindrome (247984489742).

The spelling of 243433155400 in words is "two hundred forty-three billion, four hundred thirty-three million, one hundred fifty-five thousand, four hundred".