43420440334 has 8 divisors (see below), whose sum is σ = 65277683640. Its totient is φ = 21661212456.

The previous prime is 43420440331. The next prime is 43420440341. The reversal of 43420440334 is 43304402434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43420440296 and 43420440305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420440331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24502749 + ... + 24504520.

It is an arithmetic number, because the mean of its divisors is an integer number (8159710455).

Almost surely, 2^43420440334 is an apocalyptic number.

43420440334 is a deficient number, since it is larger than the sum of its proper divisors (21857243306).

43420440334 is a wasteful number, since it uses less digits than its factorization.

43420440334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49007714.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 43420440334 its reverse (43304402434), we get a palindrome (86724842768).

The spelling of 43420440334 in words is "forty-three billion, four hundred twenty million, four hundred forty thousand, three hundred thirty-four".