441228920 has 48 divisors (see below), whose sum is σ = 1091233080. Its totient is φ = 160445120.

The previous prime is 441228917. The next prime is 441228961. The reversal of 441228920 is 29822144.

It is a happy number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40742 + ... + 50421.

Almost surely, 2^441228920 is an apocalyptic number.

441228920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441228920 is an abundant number, since it is smaller than the sum of its proper divisors (650004160).

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

441228920 is a wasteful number, since it uses less digits than its factorization.

441228920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91196 (or 91181 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 441228920 is about 21005.4497690480. The cubic root of 441228920 is about 761.2979436713.

The spelling of 441228920 in words is "four hundred forty-one million, two hundred twenty-eight thousand, nine hundred twenty".