40320334140 has 48 divisors (see below), whose sum is σ = 116538777600. Its totient is φ = 10405247040.

The previous prime is 40320334097. The next prime is 40320334163. The reversal of 40320334140 is 4143302304.

It is a super-2 number, since 2×40320334140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40320334140.

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, 10836940 + ... + 10840659.

It is an arithmetic number, because the mean of its divisors is an integer number (2427891200).

Almost surely, 2^40320334140 is an apocalyptic number.

It is an amenable number.

40320334140 is an abundant number, since it is smaller than the sum of its proper divisors (76218443460).

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

40320334140 is a wasteful number, since it uses less digits than its factorization.

40320334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21677642 (or 21677640 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40320334140 its reverse (4143302304), we get a palindrome (44463636444).

The spelling of 40320334140 in words is "forty billion, three hundred twenty million, three hundred thirty-four thousand, one hundred forty".