441544194 has 144 divisors (see below), whose sum is σ = 1213882488. Its totient is φ = 114960384.

The previous prime is 441544189. The next prime is 441544303. The reversal of 441544194 is 491445144.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 329967225 + 111576969 = 18165^2 + 10563^2 .

It is a super-2 number, since 2×441544194² = 389922550510219272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1112004 + ... + 1112400.

Almost surely, 2^441544194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441544194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606941244).

441544194 is an abundant number, since it is smaller than the sum of its proper divisors (772338294).

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

441544194 is a wasteful number, since it uses less digits than its factorization.

441544194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 519 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 441544194 is about 21012.9530052299. The cubic root of 441544194 is about 761.4792254600.

The spelling of 441544194 in words is "four hundred forty-one million, five hundred forty-four thousand, one hundred ninety-four".