405132004 has 6 divisors (see below), whose sum is σ = 708981014. Its totient is φ = 202566000.

The previous prime is 405131989. The next prime is 405132019. The reversal of 405132004 is 400231504.

It is an interprime number because it is at equal distance from previous prime (405131989) and next prime (405132019).

It can be written as a sum of positive squares in only one way, i.e., 399600100 + 5531904 = 19990^2 + 2352^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50641497 + ... + 50641504.

Almost surely, 2^405132004 is an apocalyptic number.

It is an amenable number.

405132004 is a deficient number, since it is larger than the sum of its proper divisors (303849010).

405132004 is a wasteful number, since it uses less digits than its factorization.

405132004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101283005 (or 101283003 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 405132004 is about 20127.8911960493. The cubic root of 405132004 is about 739.9439962487.

Adding to 405132004 its reverse (400231504), we get a palindrome (805363508).

The spelling of 405132004 in words is "four hundred five million, one hundred thirty-two thousand, four".