40234003443 has 6 divisors (see below), whose sum is σ = 58115782764. Its totient is φ = 26822668956.

The previous prime is 40234003429. The next prime is 40234003471. The reversal of 40234003443 is 34430043204.

It is not a de Polignac number, because 40234003443 - 2⁹ = 40234002931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40234003493) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2235222405 + ... + 2235222422.

It is an arithmetic number, because the mean of its divisors is an integer number (9685963794).

Almost surely, 2^40234003443 is an apocalyptic number.

40234003443 is a deficient number, since it is larger than the sum of its proper divisors (17881779321).

40234003443 is a wasteful number, since it uses less digits than its factorization.

40234003443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470444833 (or 4470444830 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 40234003443 its reverse (34430043204), we get a palindrome (74664046647).

The spelling of 40234003443 in words is "forty billion, two hundred thirty-four million, three thousand, four hundred forty-three".