40005273666669 has 32 divisors (see below), whose sum is σ = 56907932469120. Its totient is φ = 24910395635712.

The previous prime is 40005273666661. The next prime is 40005273666671. The reversal of 40005273666669 is 96666637250004.

It is not a de Polignac number, because 40005273666669 - 2³ = 40005273666661 is a prime.

It is a super-2 number, since 2×40005273666669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005273666661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21674422 + ... + 23447624.

It is an arithmetic number, because the mean of its divisors is an integer number (1778372889660).

Almost surely, 2^{40005273666669} is an apocalyptic number.

It is an amenable number.

40005273666669 is a deficient number, since it is larger than the sum of its proper divisors (16902658802451).

40005273666669 is a wasteful number, since it uses less digits than its factorization.

40005273666669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776589.

The product of its (nonzero) digits is 58786560, while the sum is 60.

The spelling of 40005273666669 in words is "forty trillion, five billion, two hundred seventy-three million, six hundred sixty-six thousand, six hundred sixty-nine".