40332144012 has 24 divisors (see below), whose sum is σ = 94119468912. Its totient is φ = 13442457600.

The previous prime is 40332144007. The next prime is 40332144019. The reversal of 40332144012 is 21044123304.

It is a super-2 number, since 2×40332144012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40332144019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90789 + ... + 298172.

It is an arithmetic number, because the mean of its divisors is an integer number (3921644538).

Almost surely, 2^40332144012 is an apocalyptic number.

It is an amenable number.

40332144012 is an abundant number, since it is smaller than the sum of its proper divisors (53787324900).

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

40332144012 is a wasteful number, since it uses less digits than its factorization.

40332144012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397609 (or 397607 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40332144012 its reverse (21044123304), we get a palindrome (61376267316).

The spelling of 40332144012 in words is "forty billion, three hundred thirty-two million, one hundred forty-four thousand, twelve".