40163350664 has 16 divisors (see below), whose sum is σ = 75309173520. Its totient is φ = 20080904400.

The previous prime is 40163350649. The next prime is 40163350709. The reversal of 40163350664 is 46605336104.

It is a super-2 number, since 2×40163350664² (a number of 22 digits) contains 22 as substring.

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, 167567 + ... + 329249.

It is an arithmetic number, because the mean of its divisors is an integer number (4706823345).

Almost surely, 2^40163350664 is an apocalyptic number.

It is an amenable number.

40163350664 is a deficient number, since it is larger than the sum of its proper divisors (35145822856).

40163350664 is a wasteful number, since it uses less digits than its factorization.

40163350664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192740 (or 192736 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 40163350664 its reverse (46605336104), we get a palindrome (86768686768).

The spelling of 40163350664 in words is "forty billion, one hundred sixty-three million, three hundred fifty thousand, six hundred sixty-four".