405411402 has 32 divisors (see below), whose sum is σ = 889447104. Its totient is φ = 122169600.

The previous prime is 405411389. The next prime is 405411421. The reversal of 405411402 is 204114504.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 5023 + ... + 28914.

It is an arithmetic number, because the mean of its divisors is an integer number (27795222).

Almost surely, 2^405411402 is an apocalyptic number.

405411402 is an abundant number, since it is smaller than the sum of its proper divisors (484035702).

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

405411402 is a wasteful number, since it uses less digits than its factorization.

405411402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34134.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 405411402 is about 20134.8305679487. The cubic root of 405411402 is about 740.1140571697.

Adding to 405411402 its reverse (204114504), we get a palindrome (609525906).

The spelling of 405411402 in words is "four hundred five million, four hundred eleven thousand, four hundred two".