405501013324 has 72 divisors (see below), whose sum is σ = 824182571520. Its totient is φ = 173952678240.

The previous prime is 405501013279. The next prime is 405501013349. The reversal of 405501013324 is 423310105504.

It is a junction number, because it is equal to n+sod(n) for n = 405501013292 and 405501013301.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2334717 + ... + 2502379.

It is an arithmetic number, because the mean of its divisors is an integer number (11446980160).

Almost surely, 2^405501013324 is an apocalyptic number.

405501013324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

405501013324 is an abundant number, since it is smaller than the sum of its proper divisors (418681558196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405501013324 is a wasteful number, since it uses less digits than its factorization.

405501013324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167971 (or 167958 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 405501013324 its reverse (423310105504), we get a palindrome (828811118828).

The spelling of 405501013324 in words is "four hundred five billion, five hundred one million, thirteen thousand, three hundred twenty-four".