405041324402 has 64 divisors (see below), whose sum is σ = 721630546560. Its totient is φ = 169486384320.

The previous prime is 405041324399. The next prime is 405041324419. The reversal of 405041324402 is 204423140504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12892349 + ... + 12923727.

It is an arithmetic number, because the mean of its divisors is an integer number (11275477290).

Almost surely, 2^405041324402 is an apocalyptic number.

405041324402 is a deficient number, since it is larger than the sum of its proper divisors (316589222158).

405041324402 is a wasteful number, since it uses less digits than its factorization.

405041324402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31800 (or 31778 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 405041324402 its reverse (204423140504), we get a palindrome (609464464906).

The spelling of 405041324402 in words is "four hundred five billion, forty-one million, three hundred twenty-four thousand, four hundred two".