43240143444 has 24 divisors (see below), whose sum is σ = 103040343168. Its totient is φ = 14106713280.

The previous prime is 43240143431. The next prime is 43240143473. The reversal of 43240143444 is 44434104234.

It is a super-2 number, since 2×43240143444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38332897 + ... + 38334024.

It is an arithmetic number, because the mean of its divisors is an integer number (4293347632).

Almost surely, 2^43240143444 is an apocalyptic number.

It is an amenable number.

43240143444 is an abundant number, since it is smaller than the sum of its proper divisors (59800199724).

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

43240143444 is a wasteful number, since it uses less digits than its factorization.

43240143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76666975 (or 76666973 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 43240143444 its reverse (44434104234), we get a palindrome (87674247678).

The spelling of 43240143444 in words is "forty-three billion, two hundred forty million, one hundred forty-three thousand, four hundred forty-four".