40342124234 has 8 divisors (see below), whose sum is σ = 62148677988. Its totient is φ = 19625898240.

The previous prime is 40342124191. The next prime is 40342124267. The reversal of 40342124234 is 43242124304.

It can be written as a sum of positive squares in 2 ways, for example, as 28258618609 + 12083505625 = 168103^2 + 109925^2 .

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

It is a super-2 number, since 2×40342124234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40342124197 and 40342124206.

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, 272581847 + ... + 272581994.

Almost surely, 2^40342124234 is an apocalyptic number.

40342124234 is a deficient number, since it is larger than the sum of its proper divisors (21806553754).

40342124234 is a wasteful number, since it uses less digits than its factorization.

40342124234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545163880.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40342124234 its reverse (43242124304), we get a palindrome (83584248538).

The spelling of 40342124234 in words is "forty billion, three hundred forty-two million, one hundred twenty-four thousand, two hundred thirty-four".