40420041133 has 4 divisors (see below), whose sum is σ = 40587759388. Its totient is φ = 40252322880.

The previous prime is 40420041061. The next prime is 40420041149. The reversal of 40420041133 is 33114002404.

40420041133 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 20392696809 + 20027344324 = 142803^2 + 141518^2 .

It is a cyclic number.

It is not a de Polignac number, because 40420041133 - 2¹⁷ = 40419910061 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 (40420041173) 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, 83858766 + ... + 83859247.

It is an arithmetic number, because the mean of its divisors is an integer number (10146939847).

Almost surely, 2^40420041133 is an apocalyptic number.

It is an amenable number.

40420041133 is a deficient number, since it is larger than the sum of its proper divisors (167718255).

40420041133 is a wasteful number, since it uses less digits than its factorization.

40420041133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167718254.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40420041133 its reverse (33114002404), we get a palindrome (73534043537).

The spelling of 40420041133 in words is "forty billion, four hundred twenty million, forty-one thousand, one hundred thirty-three".