405050436 has 192 divisors, whose sum is σ = 1278412800. Its totient is φ = 108335232.

The previous prime is 405050419. The next prime is 405050441. The reversal of 405050436 is 634050504.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2341246 + ... + 2341418.

It is an arithmetic number, because the mean of its divisors is an integer number (6658400).

Almost surely, 2^405050436 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 405050436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639206400).

405050436 is an abundant number, since it is smaller than the sum of its proper divisors (873362364).

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

405050436 is a wasteful number, since it uses less digits than its factorization.

405050436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 405050436 is about 20125.8648509822. The cubic root of 405050436 is about 739.8943335853.

The spelling of 405050436 in words is "four hundred five million, fifty thousand, four hundred thirty-six".