405340511313 has 16 divisors (see below), whose sum is σ = 574766349120. Its totient is φ = 253210891776.

The previous prime is 405340511311. The next prime is 405340511327. The reversal of 405340511313 is 313115043504.

It is not a de Polignac number, because 405340511313 - 2¹ = 405340511311 is a prime.

It is a super-2 number, since 2×405340511313² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405340511311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17494708 + ... + 17517861.

It is an arithmetic number, because the mean of its divisors is an integer number (35922896820).

Almost surely, 2^405340511313 is an apocalyptic number.

It is an amenable number.

405340511313 is a deficient number, since it is larger than the sum of its proper divisors (169425837807).

405340511313 is a wasteful number, since it uses less digits than its factorization.

405340511313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012816.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 405340511313 its reverse (313115043504), we get a palindrome (718455554817).

The spelling of 405340511313 in words is "four hundred five billion, three hundred forty million, five hundred eleven thousand, three hundred thirteen".