2040044409 has 24 divisors (see below), whose sum is σ = 3311380800. Its totient is φ = 1200827232.

The previous prime is 2040044407. The next prime is 2040044443. The reversal of 2040044409 is 9044400402.

It is not a de Polignac number, because 2040044409 - 2¹ = 2040044407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040044407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376359 + ... + 381740.

It is an arithmetic number, because the mean of its divisors is an integer number (137974200).

Almost surely, 2^2040044409 is an apocalyptic number.

It is an amenable number.

2040044409 is a deficient number, since it is larger than the sum of its proper divisors (1271336391).

2040044409 is a wasteful number, since it uses less digits than its factorization.

2040044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758141 (or 758138 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2040044409 is about 45166.8507757625. The cubic root of 2040044409 is about 1268.2743440146.

The spelling of 2040044409 in words is "two billion, forty million, forty-four thousand, four hundred nine".