405163060 has 24 divisors (see below), whose sum is σ = 880183080. Its totient is φ = 156476544.

The previous prime is 405163051. The next prime is 405163063. The reversal of 405163060 is 60361504.

It can be written as a sum of positive squares in 4 ways, for example, as 64096036 + 341067024 = 8006^2 + 18468^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405163063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 348699 + ... + 349858.

It is an arithmetic number, because the mean of its divisors is an integer number (36674295).

Almost surely, 2^405163060 is an apocalyptic number.

It is an amenable number.

405163060 is an abundant number, since it is smaller than the sum of its proper divisors (475020020).

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

405163060 is a wasteful number, since it uses less digits than its factorization.

405163060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698595 (or 698593 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 405163060 is about 20128.6626480748. The cubic root of 405163060 is about 739.9629029370.

The spelling of 405163060 in words is "four hundred five million, one hundred sixty-three thousand, sixty".