40135213533 has 8 divisors (see below), whose sum is σ = 53606364928. Its totient is φ = 26710435584.

The previous prime is 40135213513. The next prime is 40135213541. The reversal of 40135213533 is 33531253104.

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

It is not a de Polignac number, because 40135213533 - 2¹⁷ = 40135082461 is a prime.

It is a super-2 number, since 2×40135213533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40135213533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135213513) 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 7 ways as a sum of consecutive naturals, for example, 11591341 + ... + 11594802.

It is an arithmetic number, because the mean of its divisors is an integer number (6700795616).

Almost surely, 2^40135213533 is an apocalyptic number.

It is an amenable number.

40135213533 is a deficient number, since it is larger than the sum of its proper divisors (13471151395).

40135213533 is a wasteful number, since it uses less digits than its factorization.

40135213533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186723.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 40135213533 its reverse (33531253104), we get a palindrome (73666466637).

The spelling of 40135213533 in words is "forty billion, one hundred thirty-five million, two hundred thirteen thousand, five hundred thirty-three".