2003144044 has 24 divisors (see below), whose sum is σ = 3825528336. Its totient is φ = 910200000.

The previous prime is 2003143969. The next prime is 2003144123. The reversal of 2003144044 is 4404413002.

It is a super-2 number, since 2×2003144044² = 8025172122025347872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156694 + ... + 168994.

It is an arithmetic number, because the mean of its divisors is an integer number (159397014).

Almost surely, 2^2003144044 is an apocalyptic number.

It is an amenable number.

2003144044 is a deficient number, since it is larger than the sum of its proper divisors (1822384292).

2003144044 is a wasteful number, since it uses less digits than its factorization.

2003144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16017 (or 16015 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2003144044 is about 44756.4972266597. The cubic root of 2003144044 is about 1260.5809121125.

Adding to 2003144044 its reverse (4404413002), we get a palindrome (6407557046).

The spelling of 2003144044 in words is "two billion, three million, one hundred forty-four thousand, forty-four".