43440475234 has 16 divisors (see below), whose sum is σ = 71220437568. Its totient is φ = 19750203792.

The previous prime is 43440475217. The next prime is 43440475271. The reversal of 43440475234 is 43257404434.

It is a happy 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, 12466822 + ... + 12470305.

It is an arithmetic number, because the mean of its divisors is an integer number (4451277348).

Almost surely, 2^43440475234 is an apocalyptic number.

43440475234 is a deficient number, since it is larger than the sum of its proper divisors (27779962334).

43440475234 is a wasteful number, since it uses less digits than its factorization.

43440475234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937209.

The product of its (nonzero) digits is 645120, while the sum is 40.

Adding to 43440475234 its reverse (43257404434), we get a palindrome (86697879668).

The spelling of 43440475234 in words is "forty-three billion, four hundred forty million, four hundred seventy-five thousand, two hundred thirty-four".