404027712 has 336 divisors, whose sum is σ = 1392228864. Its totient is φ = 111513600.

The previous prime is 404027707. The next prime is 404027713. The reversal of 404027712 is 217720404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404027713) 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 47 ways as a sum of consecutive naturals, for example, 13033137 + ... + 13033167.

Almost surely, 2^404027712 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 404027712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696114432).

404027712 is an abundant number, since it is smaller than the sum of its proper divisors (988201152).

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

404027712 is a wasteful number, since it uses less digits than its factorization.

404027712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 404027712 is about 20100.4405921860. The cubic root of 404027712 is about 739.2710815999.

The spelling of 404027712 in words is "four hundred four million, twenty-seven thousand, seven hundred twelve".