40135344513 has 32 divisors (see below), whose sum is σ = 60421939200. Its totient is φ = 23473934400.

The previous prime is 40135344511. The next prime is 40135344551. The reversal of 40135344513 is 31544353104.

It is not a de Polignac number, because 40135344513 - 2¹ = 40135344511 is a prime.

It is a super-2 number, since 2×40135344513² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40135344511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2133358 + ... + 2152088.

It is an arithmetic number, because the mean of its divisors is an integer number (1888185600).

Almost surely, 2^40135344513 is an apocalyptic number.

It is an amenable number.

40135344513 is a deficient number, since it is larger than the sum of its proper divisors (20286594687).

40135344513 is a wasteful number, since it uses less digits than its factorization.

40135344513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21013.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 40135344513 its reverse (31544353104), we get a palindrome (71679697617).

The spelling of 40135344513 in words is "forty billion, one hundred thirty-five million, three hundred forty-four thousand, five hundred thirteen".