405013503430 has 32 divisors (see below), whose sum is σ = 742597426080. Its totient is φ = 159000779520.

The previous prime is 405013503407. The next prime is 405013503431. The reversal of 405013503430 is 34305310504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405013503431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447660 + ... + 1005199.

It is an arithmetic number, because the mean of its divisors is an integer number (23206169565).

Almost surely, 2^405013503430 is an apocalyptic number.

405013503430 is a deficient number, since it is larger than the sum of its proper divisors (337583922650).

405013503430 is a wasteful number, since it uses less digits than its factorization.

405013503430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453384.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 405013503430 its reverse (34305310504), we get a palindrome (439318813934).

The spelling of 405013503430 in words is "four hundred five billion, thirteen million, five hundred three thousand, four hundred thirty".