40234440133 has 4 divisors (see below), whose sum is σ = 40238916160. Its totient is φ = 40229964108.

The previous prime is 40234440131. The next prime is 40234440149. The reversal of 40234440133 is 33104443204.

40234440133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40234440133 - 2¹ = 40234440131 is a prime.

It is a super-2 number, since 2×40234440133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234440131) 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, 2224503 + ... + 2242516.

It is an arithmetic number, because the mean of its divisors is an integer number (10059729040).

Almost surely, 2^40234440133 is an apocalyptic number.

It is an amenable number.

40234440133 is a deficient number, since it is larger than the sum of its proper divisors (4476027).

40234440133 is an equidigital number, since it uses as much as digits as its factorization.

40234440133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476026.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40234440133 its reverse (33104443204), we get a palindrome (73338883337).

The spelling of 40234440133 in words is "forty billion, two hundred thirty-four million, four hundred forty thousand, one hundred thirty-three".