43240342442 has 48 divisors (see below), whose sum is σ = 72980611200. Its totient is φ = 19191406080.

The previous prime is 43240342441. The next prime is 43240342471. The reversal of 43240342442 is 24424304234.

It is a junction number, because it is equal to n+sod(n) for n = 43240342399 and 43240342408.

It is not an unprimeable number, because it can be changed into a prime (43240342441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5102693 + ... + 5111159.

It is an arithmetic number, because the mean of its divisors is an integer number (1520429400).

Almost surely, 2^43240342442 is an apocalyptic number.

43240342442 is a deficient number, since it is larger than the sum of its proper divisors (29740268758).

43240342442 is a wasteful number, since it uses less digits than its factorization.

43240342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987 (or 8976 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 43240342442 its reverse (24424304234), we get a palindrome (67664646676).

The spelling of 43240342442 in words is "forty-three billion, two hundred forty million, three hundred forty-two thousand, four hundred forty-two".