40231304340 has 24 divisors (see below), whose sum is σ = 112647652320. Its totient is φ = 10728347808.

The previous prime is 40231304327. The next prime is 40231304371. The reversal of 40231304340 is 4340313204.

It is a self number, because there is not a number n which added to its sum of digits gives 40231304340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335260810 + ... + 335260929.

It is an arithmetic number, because the mean of its divisors is an integer number (4693652180).

Almost surely, 2^40231304340 is an apocalyptic number.

It is an amenable number.

40231304340 is an abundant number, since it is smaller than the sum of its proper divisors (72416347980).

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

40231304340 is a wasteful number, since it uses less digits than its factorization.

40231304340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670521751 (or 670521749 counting only the distinct ones).

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

Adding to 40231304340 its reverse (4340313204), we get a palindrome (44571617544).

The spelling of 40231304340 in words is "forty billion, two hundred thirty-one million, three hundred four thousand, three hundred forty".