2001444311404 has 12 divisors (see below), whose sum is σ = 3502575157144. Its totient is φ = 1000708552224.

The previous prime is 2001444311387. The next prime is 2001444311431. The reversal of 2001444311404 is 4041134441002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066174 + ... + 3661189.

Almost surely, 2^{2001444311404} is an apocalyptic number.

It is an amenable number.

2001444311404 is a deficient number, since it is larger than the sum of its proper divisors (1501130845740).

2001444311404 is a wasteful number, since it uses less digits than its factorization.

2001444311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801744 (or 6801742 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2001444311404 its reverse (4041134441002), we get a palindrome (6042578752406).

The spelling of 2001444311404 in words is "two trillion, one billion, four hundred forty-four million, three hundred eleven thousand, four hundred four".