2001044430 has 96 divisors (see below), whose sum is σ = 6486524928. Its totient is φ = 415800000.

The previous prime is 2001044363. The next prime is 2001044443. The reversal of 2001044430 is 344401002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137446 + ... + 151305.

It is an arithmetic number, because the mean of its divisors is an integer number (67567968).

Almost surely, 2^2001044430 is an apocalyptic number.

2001044430 is an abundant number, since it is smaller than the sum of its proper divisors (4485480498).

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

2001044430 is a wasteful number, since it uses less digits than its factorization.

2001044430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288782 (or 288779 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2001044430 is about 44733.0351082955. The cubic root of 2001044430 is about 1260.1403282862.

Adding to 2001044430 its reverse (344401002), we get a palindrome (2345445432).

The spelling of 2001044430 in words is "two billion, one million, forty-four thousand, four hundred thirty".