201440892 has 12 divisors (see below), whose sum is σ = 470028776. Its totient is φ = 67146960.

The previous prime is 201440881. The next prime is 201440893. The reversal of 201440892 is 298044102.

201440892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201440893) 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, 8393359 + ... + 8393382.

Almost surely, 2^201440892 is an apocalyptic number.

It is an amenable number.

201440892 is an abundant number, since it is smaller than the sum of its proper divisors (268587884).

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

201440892 is a wasteful number, since it uses less digits than its factorization.

201440892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786748 (or 16786746 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 201440892 is about 14192.9874233721. The cubic root of 201440892 is about 586.2045863564.

Adding to 201440892 its reverse (298044102), we get a palindrome (499484994).

The spelling of 201440892 in words is "two hundred one million, four hundred forty thousand, eight hundred ninety-two".