201944064 has 88 divisors (see below), whose sum is σ = 615213568. Its totient is φ = 57692160.

The previous prime is 201944047. The next prime is 201944069. The reversal of 201944064 is 460449102.

It is not an unprimeable number, because it can be changed into a prime (201944069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16809 + ... + 26199.

Almost surely, 2^201944064 is an apocalyptic number.

201944064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201944064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307606784).

201944064 is an abundant number, since it is smaller than the sum of its proper divisors (413269504).

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

201944064 is an equidigital number, since it uses as much as digits as its factorization.

201944064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421 (or 9403 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 201944064 is about 14210.7024456921. The cubic root of 201944064 is about 586.6922670188.

The spelling of 201944064 in words is "two hundred one million, nine hundred forty-four thousand, sixty-four".