40505031133 has 8 divisors (see below), whose sum is σ = 46295150720. Its totient is φ = 34715833200.

The previous prime is 40505031121. The next prime is 40505031137. The reversal of 40505031133 is 33113050504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40505031133 - 2²¹ = 40502933981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40505031098 and 40505031107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505031137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133518 + ... + 314383.

It is an arithmetic number, because the mean of its divisors is an integer number (5786893840).

Almost surely, 2^40505031133 is an apocalyptic number.

It is an amenable number.

40505031133 is a deficient number, since it is larger than the sum of its proper divisors (5790119587).

40505031133 is a wasteful number, since it uses less digits than its factorization.

40505031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460827.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 40505031133 its reverse (33113050504), we get a palindrome (73618081637).

The spelling of 40505031133 in words is "forty billion, five hundred five million, thirty-one thousand, one hundred thirty-three".