40340433343212 has 144 divisors (see below), whose sum is σ = 106275624131040. Its totient is φ = 12886390185984.

The previous prime is 40340433343127. The next prime is 40340433343237. The reversal of 40340433343212 is 21234333404304.

40340433343212 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 0 + 433 + 3 + 4 + 3 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128663628 + ... + 128976780.

Almost surely, 2^{40340433343212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40340433343212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53137812065520).

40340433343212 is an abundant number, since it is smaller than the sum of its proper divisors (65935190787828).

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

40340433343212 is a wasteful number, since it uses less digits than its factorization.

40340433343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314112 (or 314107 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 40340433343212 its reverse (21234333404304), we get a palindrome (61574766747516).

The spelling of 40340433343212 in words is "forty trillion, three hundred forty billion, four hundred thirty-three million, three hundred forty-three thousand, two hundred twelve".