40765225216 has 27 divisors (see below), whose sum is σ = 81377660091. Its totient is φ = 20380997376.

The previous prime is 40765225213. The next prime is 40765225253. The reversal of 40765225216 is 61252256704.

The square root of 40765225216 is 201904.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×40765225216² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40765225213) 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 2 ways as a sum of consecutive naturals, for example, 3224155 + ... + 3236773.

Almost surely, 2^40765225216 is an apocalyptic number.

40765225216 is the 201904-th square number.

It is an amenable number.

40765225216 is a deficient number, since it is larger than the sum of its proper divisors (40612434875).

40765225216 is an frugal number, since it uses more digits than its factorization.

40765225216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254 (or 12621 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 40765225216 in words is "forty billion, seven hundred sixty-five million, two hundred twenty-five thousand, two hundred sixteen".