2203440144 has 40 divisors (see below), whose sum is σ = 5712512352. Its totient is φ = 731861760.

The previous prime is 2203440067. The next prime is 2203440149. The reversal of 2203440144 is 4410443022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2203440149) 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, 68194 + ... + 95169.

Almost surely, 2^2203440144 is an apocalyptic number.

2203440144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2203440144 is an abundant number, since it is smaller than the sum of its proper divisors (3509072208).

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

2203440144 is a wasteful number, since it uses less digits than its factorization.

2203440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163655 (or 163649 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2203440144 is about 46940.8153316493. The cubic root of 2203440144 is about 1301.2690062105.

Adding to 2203440144 its reverse (4410443022), we get a palindrome (6613883166).

The spelling of 2203440144 in words is "two billion, two hundred three million, four hundred forty thousand, one hundred forty-four".