40940434133 has 4 divisors (see below), whose sum is σ = 41345785068. Its totient is φ = 40535083200.

The previous prime is 40940434081. The next prime is 40940434147. The reversal of 40940434133 is 33143404904.

40940434133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 28135701169 + 12804732964 = 167737^2 + 113158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40940434133 is a prime.

It is a super-2 number, since 2×40940434133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40940434093 and 40940434102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40940434163) 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, 202675316 + ... + 202675517.

It is an arithmetic number, because the mean of its divisors is an integer number (10336446267).

Almost surely, 2^40940434133 is an apocalyptic number.

It is an amenable number.

40940434133 is a deficient number, since it is larger than the sum of its proper divisors (405350935).

40940434133 is a wasteful number, since it uses less digits than its factorization.

40940434133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405350934.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 40940434133 in words is "forty billion, nine hundred forty million, four hundred thirty-four thousand, one hundred thirty-three".