40076666633 has 4 divisors (see below), whose sum is σ = 40345637700. Its totient is φ = 39807695568.

The previous prime is 40076666573. The next prime is 40076666713. The reversal of 40076666633 is 33666667004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24723474169 + 15353192464 = 157237^2 + 123908^2 .

It is a cyclic number.

It is not a de Polignac number, because 40076666633 - 2⁶ = 40076666569 is a prime.

It is a super-2 number, since 2×40076666633² (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 (40076666933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134485310 + ... + 134485607.

It is an arithmetic number, because the mean of its divisors is an integer number (10086409425).

Almost surely, 2^40076666633 is an apocalyptic number.

It is an amenable number.

40076666633 is a deficient number, since it is larger than the sum of its proper divisors (268971067).

40076666633 is a wasteful number, since it uses less digits than its factorization.

40076666633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268971066.

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 40076666633 in words is "forty billion, seventy-six million, six hundred sixty-six thousand, six hundred thirty-three".