415000256 has 56 divisors (see below), whose sum is σ = 901988544. Its totient is φ = 187879680.

The previous prime is 415000231. The next prime is 415000273. The reversal of 415000256 is 652000514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198191 + ... + 200273.

Almost surely, 2^415000256 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 415000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450994272).

415000256 is an abundant number, since it is smaller than the sum of its proper divisors (486988288).

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

415000256 is a wasteful number, since it uses less digits than its factorization.

415000256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 415000256 is about 20371.5550707353. Note that the first 3 decimals coincide. The cubic root of 415000256 is about 745.9037459637.

The spelling of 415000256 in words is "four hundred fifteen million, two hundred fifty-six", and thus it is an aban number.