405340104 has 64 divisors (see below), whose sum is σ = 1117952640. Its totient is φ = 121674240.

The previous prime is 405340099. The next prime is 405340139. The reversal of 405340104 is 401043504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (17468010).

Almost surely, 2^405340104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405340104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558976320).

405340104 is an abundant number, since it is smaller than the sum of its proper divisors (712612536).

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

405340104 is a wasteful number, since it uses less digits than its factorization.

405340104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31750 (or 31746 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 405340104 is about 20133.0599760692. The cubic root of 405340104 is about 740.0706677095.

Adding to 405340104 its reverse (401043504), we get a palindrome (806383608).

The spelling of 405340104 in words is "four hundred five million, three hundred forty thousand, one hundred four".