201440264 has 16 divisors (see below), whose sum is σ = 390725100. Its totient is φ = 97246912.

The previous prime is 201440231. The next prime is 201440269. The reversal of 201440264 is 462044102.

It can be written as a sum of positive squares in 2 ways, for example, as 190164100 + 11276164 = 13790^2 + 3358^2 .

It is not an unprimeable number, because it can be changed into a prime (201440269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433907 + ... + 434370.

Almost surely, 2^201440264 is an apocalyptic number.

It is an amenable number.

201440264 is a deficient number, since it is larger than the sum of its proper divisors (189284836).

201440264 is a wasteful number, since it uses less digits than its factorization.

201440264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868312 (or 868308 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 201440264 is about 14192.9652997533. The cubic root of 201440264 is about 586.2039771837.

Adding to 201440264 its reverse (462044102), we get a palindrome (663484366).

The spelling of 201440264 in words is "two hundred one million, four hundred forty thousand, two hundred sixty-four".