40440066622 has 16 divisors (see below), whose sum is σ = 62001411120. Its totient is φ = 19776409408.

The previous prime is 40440066577. The next prime is 40440066629. The reversal of 40440066622 is 22666004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440066629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 846583 + ... + 893074.

It is an arithmetic number, because the mean of its divisors is an integer number (3875088195).

Almost surely, 2^40440066622 is an apocalyptic number.

40440066622 is a deficient number, since it is larger than the sum of its proper divisors (21561344498).

40440066622 is a wasteful number, since it uses less digits than its factorization.

40440066622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739915.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40440066622 in words is "forty billion, four hundred forty million, sixty-six thousand, six hundred twenty-two".