404054256 has 80 divisors (see below), whose sum is σ = 1062574848. Its totient is φ = 132288000.

The previous prime is 404054251. The next prime is 404054263. The reversal of 404054256 is 652450404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404054251) by changing a digit.

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, 775276 + ... + 775796.

Almost surely, 2^404054256 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 404054256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531287424).

404054256 is an abundant number, since it is smaller than the sum of its proper divisors (658520592).

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

404054256 is a wasteful number, since it uses less digits than its factorization.

404054256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 404054256 is about 20101.1008653755. The cubic root of 404054256 is about 739.2872709035.

The spelling of 404054256 in words is "four hundred four million, fifty-four thousand, two hundred fifty-six".