405068334 has 64 divisors (see below), whose sum is σ = 935055360. Its totient is φ = 115693920.

The previous prime is 405068329. The next prime is 405068357. The reversal of 405068334 is 433860504.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 405068295 and 405068304.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 283947 + ... + 285369.

It is an arithmetic number, because the mean of its divisors is an integer number (14610240).

Almost surely, 2^405068334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405068334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467527680).

405068334 is an abundant number, since it is smaller than the sum of its proper divisors (529987026).

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

405068334 is a wasteful number, since it uses less digits than its factorization.

405068334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 405068334 is about 20126.3094977693. The cubic root of 405068334 is about 739.9052313506.

The spelling of 405068334 in words is "four hundred five million, sixty-eight thousand, three hundred thirty-four".