40442311133 has 4 divisors (see below), whose sum is σ = 46219784160. Its totient is φ = 34664838108.

The previous prime is 40442311103. The next prime is 40442311157. The reversal of 40442311133 is 33111324404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40442311133 - 2¹⁰ = 40442310109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442311103) 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 3 ways as a sum of consecutive naturals, for example, 2888736503 + ... + 2888736516.

It is an arithmetic number, because the mean of its divisors is an integer number (11554946040).

Almost surely, 2^40442311133 is an apocalyptic number.

It is an amenable number.

40442311133 is a deficient number, since it is larger than the sum of its proper divisors (5777473027).

40442311133 is an equidigital number, since it uses as much as digits as its factorization.

40442311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777473026.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40442311133 its reverse (33111324404), we get a palindrome (73553635537).

The spelling of 40442311133 in words is "forty billion, four hundred forty-two million, three hundred eleven thousand, one hundred thirty-three".