441997650 has 36 divisors (see below), whose sum is σ = 1187501562. Its totient is φ = 117865920.

The previous prime is 441997639. The next prime is 441997657. The reversal of 441997650 is 56799144.

441997650 is a `hidden beast` number, since 441 + 99 + 76 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 423412929 + 18584721 = 20577^2 + 4311^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 441997596 and 441997605.

It is not an unprimeable number, because it can be changed into a prime (441997657) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 490659 + ... + 491558.

Almost surely, 2^441997650 is an apocalyptic number.

441997650 is an abundant number, since it is smaller than the sum of its proper divisors (745503912).

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

441997650 is a wasteful number, since it uses less digits than its factorization.

441997650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982235 (or 982227 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 441997650 is about 21023.7401525038. The cubic root of 441997650 is about 761.7398103132.

The spelling of 441997650 in words is "four hundred forty-one million, nine hundred ninety-seven thousand, six hundred fifty".