40221343406 has 8 divisors (see below), whose sum is σ = 60438048480. Its totient is φ = 20075327248.

The previous prime is 40221343373. The next prime is 40221343429. The reversal of 40221343406 is 60434312204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17670806 + ... + 17673081.

It is an arithmetic number, because the mean of its divisors is an integer number (7554756060).

Almost surely, 2^40221343406 is an apocalyptic number.

40221343406 is a deficient number, since it is larger than the sum of its proper divisors (20216705074).

40221343406 is a wasteful number, since it uses less digits than its factorization.

40221343406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35344458.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 40221343406 in words is "forty billion, two hundred twenty-one million, three hundred forty-three thousand, four hundred six".