40133304655 has 4 divisors (see below), whose sum is σ = 48159965592. Its totient is φ = 32106643720.

The previous prime is 40133304641. The next prime is 40133304683. The reversal of 40133304655 is 55640333104.

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

It is not a de Polignac number, because 40133304655 - 2¹¹ = 40133302607 is a prime.

It is a super-2 number, since 2×40133304655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40133304655.

It is a congruent number.

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, 4013330461 + ... + 4013330470.

It is an arithmetic number, because the mean of its divisors is an integer number (12039991398).

Almost surely, 2^40133304655 is an apocalyptic number.

40133304655 is a deficient number, since it is larger than the sum of its proper divisors (8026660937).

40133304655 is an equidigital number, since it uses as much as digits as its factorization.

40133304655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026660936.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 40133304655 its reverse (55640333104), we get a palindrome (95773637759).

The spelling of 40133304655 in words is "forty billion, one hundred thirty-three million, three hundred four thousand, six hundred fifty-five".