40405215213222 has 16 divisors (see below), whose sum is σ = 80810493696000. Its totient is φ = 13468394526152.

The previous prime is 40405215213217. The next prime is 40405215213269. The reversal of 40405215213222 is 22231251250404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11481763 + ... + 14582225.

It is an arithmetic number, because the mean of its divisors is an integer number (5050655856000).

Almost surely, 2^{40405215213222} is an apocalyptic number.

40405215213222 is an abundant number, since it is smaller than the sum of its proper divisors (40405278482778).

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

40405215213222 is a wasteful number, since it uses less digits than its factorization.

40405215213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272467.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 40405215213222 its reverse (22231251250404), we get a palindrome (62636466463626).

The spelling of 40405215213222 in words is "forty trillion, four hundred five billion, two hundred fifteen million, two hundred thirteen thousand, two hundred twenty-two".