40223551664 has 20 divisors (see below), whose sum is σ = 78256512840. Its totient is φ = 20028322560.

The previous prime is 40223551637. The next prime is 40223551699. The reversal of 40223551664 is 46615532204.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 5211854 + ... + 5219565.

It is an arithmetic number, because the mean of its divisors is an integer number (3912825642).

Almost surely, 2^40223551664 is an apocalyptic number.

It is an amenable number.

40223551664 is a deficient number, since it is larger than the sum of its proper divisors (38032961176).

40223551664 is a wasteful number, since it uses less digits than its factorization.

40223551664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431668 (or 10431662 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 40223551664 in words is "forty billion, two hundred twenty-three million, five hundred fifty-one thousand, six hundred sixty-four".