1243340044434 has 48 divisors (see below), whose sum is σ = 2713600562400. Its totient is φ = 411417050688.

The previous prime is 1243340044411. The next prime is 1243340044447. The reversal of 1243340044434 is 4344400433421.

1243340044434 is a `hidden beast` number, since 1 + 243 + 3 + 400 + 4 + 4 + 4 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26144662 + ... + 26192174.

It is an arithmetic number, because the mean of its divisors is an integer number (56533345050).

Almost surely, 2^{1243340044434} is an apocalyptic number.

1243340044434 is an abundant number, since it is smaller than the sum of its proper divisors (1470260517966).

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

1243340044434 is a wasteful number, since it uses less digits than its factorization.

1243340044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58119 (or 58116 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 1243340044434 its reverse (4344400433421), we get a palindrome (5587740477855).

The spelling of 1243340044434 in words is "one trillion, two hundred forty-three billion, three hundred forty million, forty-four thousand, four hundred thirty-four".