2001444134 has 32 divisors (see below), whose sum is σ = 3155023872. Its totient is φ = 951048000.

The previous prime is 2001444121. The next prime is 2001444163. The reversal of 2001444134 is 4314441002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350674 + ... + 1352154.

It is an arithmetic number, because the mean of its divisors is an integer number (98594496).

Almost surely, 2^2001444134 is an apocalyptic number.

2001444134 is a deficient number, since it is larger than the sum of its proper divisors (1153579738).

2001444134 is a wasteful number, since it uses less digits than its factorization.

2001444134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

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

The square root of 2001444134 is about 44737.5025454037. The cubic root of 2001444134 is about 1260.2242260730.

Adding to 2001444134 its reverse (4314441002), we get a palindrome (6315885136).

The spelling of 2001444134 in words is "two billion, one million, four hundred forty-four thousand, one hundred thirty-four".