40013221522 has 8 divisors (see below), whose sum is σ = 60417315072. Its totient is φ = 19874116500.

The previous prime is 40013221499. The next prime is 40013221541. The reversal of 40013221522 is 22512231004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40013221493 and 40013221502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66246754 + ... + 66247357.

It is an arithmetic number, because the mean of its divisors is an integer number (7552164384).

Almost surely, 2^40013221522 is an apocalyptic number.

40013221522 is a deficient number, since it is larger than the sum of its proper divisors (20404093550).

40013221522 is a wasteful number, since it uses less digits than its factorization.

40013221522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132494264.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40013221522 its reverse (22512231004), we get a palindrome (62525452526).

The spelling of 40013221522 in words is "forty billion, thirteen million, two hundred twenty-one thousand, five hundred twenty-two".