40343033421140 has 12 divisors (see below), whose sum is σ = 84720370184436. Its totient is φ = 16137213368448.

The previous prime is 40343033421083. The next prime is 40343033421169. The reversal of 40343033421140 is 4112433034304.

It can be written as a sum of positive squares in 2 ways, for example, as 19575563127184 + 20767470293956 = 4424428^2 + 4557134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40343033421097 and 40343033421106.

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 3 ways as a sum of consecutive naturals, for example, 1008575835509 + ... + 1008575835548.

It is an arithmetic number, because the mean of its divisors is an integer number (7060030848703).

Almost surely, 2^{40343033421140} is an apocalyptic number.

It is an amenable number.

40343033421140 is an abundant number, since it is smaller than the sum of its proper divisors (44377336763296).

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

40343033421140 is a wasteful number, since it uses less digits than its factorization.

40343033421140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017151671066 (or 2017151671064 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40343033421140 its reverse (4112433034304), we get a palindrome (44455466455444).

The spelling of 40343033421140 in words is "forty trillion, three hundred forty-three billion, thirty-three million, four hundred twenty-one thousand, one hundred forty".