40344440234 has 8 divisors (see below), whose sum is σ = 69161897568. Its totient is φ = 17290474380.

The previous prime is 40344440221. The next prime is 40344440251. The reversal of 40344440234 is 43204444304.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344440234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440872852 + ... + 1440872879.

It is an arithmetic number, because the mean of its divisors is an integer number (8645237196).

Almost surely, 2^40344440234 is an apocalyptic number.

40344440234 is a deficient number, since it is larger than the sum of its proper divisors (28817457334).

40344440234 is a wasteful number, since it uses less digits than its factorization.

40344440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881745740.

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

Adding to 40344440234 its reverse (43204444304), we get a palindrome (83548884538).

The spelling of 40344440234 in words is "forty billion, three hundred forty-four million, four hundred forty thousand, two hundred thirty-four".