405405001342 has 16 divisors (see below), whose sum is σ = 679570247664. Its totient is φ = 179780488000.

The previous prime is 405405001321. The next prime is 405405001399. The reversal of 405405001342 is 243100504504.

It is a super-2 number, since 2×405405001342² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405405001342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224724709 + ... + 224726512.

It is an arithmetic number, because the mean of its divisors is an integer number (42473140479).

Almost surely, 2^405405001342 is an apocalyptic number.

405405001342 is a deficient number, since it is larger than the sum of its proper divisors (274165246322).

405405001342 is a wasteful number, since it uses less digits than its factorization.

405405001342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449451275.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 405405001342 its reverse (243100504504), we get a palindrome (648505505846).

The spelling of 405405001342 in words is "four hundred five billion, four hundred five million, one thousand, three hundred forty-two".