43440034 has 8 divisors (see below), whose sum is σ = 71083728. Its totient is φ = 19745460.

The previous prime is 43440029. The next prime is 43440073. The reversal of 43440034 is 43004434.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1974547 = 43440034 / (4 + 3 + 4 + 4 + 0 + 0 + 3 + 4).

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 43439987 and 43440014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987252 + ... + 987295.

It is an arithmetic number, because the mean of its divisors is an integer number (8885466).

Almost surely, 2^43440034 is an apocalyptic number.

43440034 is a deficient number, since it is larger than the sum of its proper divisors (27643694).

43440034 is a wasteful number, since it uses less digits than its factorization.

43440034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974560.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 43440034 is about 6590.9054006259. The cubic root of 43440034 is about 351.5308024189.

Adding to 43440034 its reverse (43004434), we get a palindrome (86444468).

Subtracting from 43440034 its reverse (43004434), we obtain a square (435600 = 660²).

It can be divided in two parts, 434400 and 34, that added together give a palindrome (434434).

The spelling of 43440034 in words is "forty-three million, four hundred forty thousand, thirty-four".