405014135031442 has 32 divisors (see below), whose sum is σ = 622952727781680. Its totient is φ = 197422109982720.

The previous prime is 405014135031421. The next prime is 405014135031449. The reversal of 405014135031442 is 244130531410504.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2998442023201 + 402015693008241 = 1731601^2 + 20050329^2 .

It is not an unprimeable number, because it can be changed into a prime (405014135031449) 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, 1656858484 + ... + 1657102912.

Almost surely, 2^{405014135031442} is an apocalyptic number.

405014135031442 is a deficient number, since it is larger than the sum of its proper divisors (217938592750238).

405014135031442 is a wasteful number, since it uses less digits than its factorization.

405014135031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364798.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 405014135031442 its reverse (244130531410504), we get a palindrome (649144666441946).

The spelling of 405014135031442 in words is "four hundred five trillion, fourteen billion, one hundred thirty-five million, thirty-one thousand, four hundred forty-two".