405512042324 has 12 divisors (see below), whose sum is σ = 709652588148. Its totient is φ = 202754160000.

The previous prime is 405512042323. The next prime is 405512042357. The reversal of 405512042324 is 423240215504.

It can be written as a sum of positive squares in 2 ways, for example, as 146551152400 + 258960889924 = 382820^2 + 508882^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405512042321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101714 + ... + 906294.

It is an arithmetic number, because the mean of its divisors is an integer number (59137715679).

Almost surely, 2^405512042324 is an apocalyptic number.

It is an amenable number.

405512042324 is a deficient number, since it is larger than the sum of its proper divisors (304140545824).

405512042324 is a wasteful number, since it uses less digits than its factorization.

405512042324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930586 (or 930584 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 405512042324 its reverse (423240215504), we get a palindrome (828752257828).

The spelling of 405512042324 in words is "four hundred five billion, five hundred twelve million, forty-two thousand, three hundred twenty-four".