405773056 has 108 divisors (see below), whose sum is σ = 895480488. Its totient is φ = 183386112.

The previous prime is 405773029. The next prime is 405773059. The reversal of 405773056 is 650377504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405773059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3590856 + ... + 3590968.

It is an arithmetic number, because the mean of its divisors is an integer number (8291486).

Almost surely, 2^405773056 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 405773056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447740244).

405773056 is an abundant number, since it is smaller than the sum of its proper divisors (489707432).

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

405773056 is a wasteful number, since it uses less digits than its factorization.

405773056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 405773056 is about 20143.8093716159. The cubic root of 405773056 is about 740.3340687889.

The spelling of 405773056 in words is "four hundred five million, seven hundred seventy-three thousand, fifty-six".