40322434012 has 48 divisors (see below), whose sum is σ = 81518752000. Its totient is φ = 17093970432.

The previous prime is 40322434001. The next prime is 40322434021. The reversal of 40322434012 is 21043422304.

It is a happy number.

It is a super-2 number, since 2×40322434012² (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9501163 + ... + 9505405.

Almost surely, 2^40322434012 is an apocalyptic number.

It is an amenable number.

40322434012 is an abundant number, since it is smaller than the sum of its proper divisors (41196317988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40322434012 is a wasteful number, since it uses less digits than its factorization.

40322434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850 (or 7848 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40322434012 its reverse (21043422304), we get a palindrome (61365856316).

The spelling of 40322434012 in words is "forty billion, three hundred twenty-two million, four hundred thirty-four thousand, twelve".