415442220 has 48 divisors (see below), whose sum is σ = 1224464640. Its totient is φ = 104953536.

The previous prime is 415442219. The next prime is 415442233. The reversal of 415442220 is 22244514.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181072 + ... + 183351.

It is an arithmetic number, because the mean of its divisors is an integer number (25509680).

Almost surely, 2^415442220 is an apocalyptic number.

It is an amenable number.

415442220 is an abundant number, since it is smaller than the sum of its proper divisors (809022420).

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

415442220 is a wasteful number, since it uses less digits than its factorization.

415442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364454 (or 364452 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 415442220 is about 20382.3997605778. The cubic root of 415442220 is about 746.1684410977.

Adding to 415442220 its reverse (22244514), we get a palindrome (437686734).

The spelling of 415442220 in words is "four hundred fifteen million, four hundred forty-two thousand, two hundred twenty".