40340403334 has 64 divisors (see below), whose sum is σ = 80670961152. Its totient is φ = 14645952000.

The previous prime is 40340403269. The next prime is 40340403379. The reversal of 40340403334 is 43330404304.

It is a happy number.

It is a super-2 number, since 2×40340403334² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 188137 + ... + 340699.

It is an arithmetic number, because the mean of its divisors is an integer number (1260483768).

Almost surely, 2^40340403334 is an apocalyptic number.

40340403334 is a deficient number, since it is larger than the sum of its proper divisors (40330557818).

40340403334 is a wasteful number, since it uses less digits than its factorization.

40340403334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152701.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40340403334 its reverse (43330404304), we get a palindrome (83670807638).

The spelling of 40340403334 in words is "forty billion, three hundred forty million, four hundred three thousand, three hundred thirty-four".