201944464 has 40 divisors (see below), whose sum is σ = 412920000. Its totient is φ = 95412096.

The previous prime is 201944459. The next prime is 201944467. The reversal of 201944464 is 464449102.

It is not an unprimeable number, because it can be changed into a prime (201944467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181542 + ... + 182650.

It is an arithmetic number, because the mean of its divisors is an integer number (10323000).

Almost surely, 2^201944464 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 201944464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206460000).

201944464 is an abundant number, since it is smaller than the sum of its proper divisors (210975536).

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

201944464 is a wasteful number, since it uses less digits than its factorization.

201944464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 201944464 is about 14210.7165195848. The cubic root of 201944464 is about 586.6926543814.

The spelling of 201944464 in words is "two hundred one million, nine hundred forty-four thousand, four hundred sixty-four".