405101828 has 6 divisors (see below), whose sum is σ = 708928206. Its totient is φ = 202550912.

The previous prime is 405101819. The next prime is 405101833. The reversal of 405101828 is 828101504.

It can be written as a sum of positive squares in only one way, i.e., 368716804 + 36385024 = 19202^2 + 6032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 405101828.

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 as a sum of consecutive naturals, namely, 50637725 + ... + 50637732.

It is an arithmetic number, because the mean of its divisors is an integer number (118154701).

Almost surely, 2^405101828 is an apocalyptic number.

It is an amenable number.

405101828 is a deficient number, since it is larger than the sum of its proper divisors (303826378).

405101828 is a wasteful number, since it uses less digits than its factorization.

405101828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101275461 (or 101275459 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 405101828 is about 20127.1415754945. The cubic root of 405101828 is about 739.9256243730.

The spelling of 405101828 in words is "four hundred five million, one hundred one thousand, eight hundred twenty-eight".