401144233 has 12 divisors (see below), whose sum is σ = 467702100. Its totient is φ = 343053312.

The previous prime is 401144231. The next prime is 401144267. The reversal of 401144233 is 332441104.

It can be written as a sum of positive squares in 2 ways, for example, as 250050969 + 151093264 = 15813^2 + 12292^2 .

It is not a de Polignac number, because 401144233 - 2¹ = 401144231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401144231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12885 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (38975175).

Almost surely, 2^401144233 is an apocalyptic number.

It is an amenable number.

401144233 is a deficient number, since it is larger than the sum of its proper divisors (66557867).

401144233 is a wasteful number, since it uses less digits than its factorization.

401144233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696 (or 18689 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 401144233 is about 20028.5853968771. The cubic root of 401144233 is about 737.5081959445.

Adding to 401144233 its reverse (332441104), we get a palindrome (733585337).

The spelling of 401144233 in words is "four hundred one million, one hundred forty-four thousand, two hundred thirty-three".