2043004401 has 12 divisors (see below), whose sum is σ = 2995052112. Its totient is φ = 1341674136.

The previous prime is 2043004399. The next prime is 2043004429. The reversal of 2043004401 is 1044003402.

It is not a de Polignac number, because 2043004401 - 2¹ = 2043004399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043004471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1693431 + ... + 1694636.

It is an arithmetic number, because the mean of its divisors is an integer number (249587676).

Almost surely, 2^2043004401 is an apocalyptic number.

It is an amenable number.

2043004401 is a deficient number, since it is larger than the sum of its proper divisors (952047711).

2043004401 is a wasteful number, since it uses less digits than its factorization.

2043004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388140 (or 3388137 counting only the distinct ones).

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

The square root of 2043004401 is about 45199.6062040368. The cubic root of 2043004401 is about 1268.8874463082.

Adding to 2043004401 its reverse (1044003402), we get a palindrome (3087007803).

Subtracting from 2043004401 its reverse (1044003402), we obtain a palindrome (999000999).

The spelling of 2043004401 in words is "two billion, forty-three million, four thousand, four hundred one".