440234141 has 4 divisors (see below), whose sum is σ = 440320800. Its totient is φ = 440147484.

The previous prime is 440234117. The next prime is 440234143. The reversal of 440234141 is 141432044.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440234141 - 2¹⁰ = 440233117 is a prime.

It is a super-4 number, since 4×440234141⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440234143) 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, 35201 + ... + 46038.

It is an arithmetic number, because the mean of its divisors is an integer number (110080200).

Almost surely, 2^440234141 is an apocalyptic number.

It is an amenable number.

440234141 is a deficient number, since it is larger than the sum of its proper divisors (86659).

440234141 is an equidigital number, since it uses as much as digits as its factorization.

440234141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86658.

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

The square root of 440234141 is about 20981.7573382212. The cubic root of 440234141 is about 760.7253814243.

Adding to 440234141 its reverse (141432044), we get a palindrome (581666185).

The spelling of 440234141 in words is "four hundred forty million, two hundred thirty-four thousand, one hundred forty-one".