405134464 has 32 divisors (see below), whose sum is σ = 922406400. Its totient is φ = 173628672.

The previous prime is 405134453. The next prime is 405134479. The reversal of 405134464 is 464431504.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225184 + ... + 226975.

It is an arithmetic number, because the mean of its divisors is an integer number (28825200).

Almost surely, 2^405134464 is an apocalyptic number.

It is an amenable number.

405134464 is an abundant number, since it is smaller than the sum of its proper divisors (517271936).

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

405134464 is an equidigital number, since it uses as much as digits as its factorization.

405134464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452180 (or 452168 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 405134464 is about 20127.9523051899. The cubic root of 405134464 is about 739.9454939157.

Adding to 405134464 its reverse (464431504), we get a palindrome (869565968).

The spelling of 405134464 in words is "four hundred five million, one hundred thirty-four thousand, four hundred sixty-four".