40165066504 has 8 divisors (see below), whose sum is σ = 75309499710. Its totient is φ = 20082533248.

The previous prime is 40165066499. The next prime is 40165066519. The reversal of 40165066504 is 40566056104.

It can be written as a sum of positive squares in only one way, i.e., 33375636100 + 6789430404 = 182690^2 + 82398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40165066504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510316649 + ... + 2510316664.

Almost surely, 2^40165066504 is an apocalyptic number.

It is an amenable number.

40165066504 is a deficient number, since it is larger than the sum of its proper divisors (35144433206).

40165066504 is a wasteful number, since it uses less digits than its factorization.

40165066504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020633319 (or 5020633315 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

It can be divided in two parts, 4016 and 5066504, that added together give a triangular number (5070520 = T₃₁₈₄).

The spelling of 40165066504 in words is "forty billion, one hundred sixty-five million, sixty-six thousand, five hundred four".