2040003601 has 4 divisors (see below), whose sum is σ = 2042841600. Its totient is φ = 2037165604.

The previous prime is 2040003583. The next prime is 2040003617. The reversal of 2040003601 is 1063000402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2040003601 - 2⁹ = 2040003089 is a prime.

It is a super-2 number, since 2×2040003601² = 8323229384185934402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040003661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417921 + ... + 1419358.

It is an arithmetic number, because the mean of its divisors is an integer number (510710400).

Almost surely, 2^2040003601 is an apocalyptic number.

It is an amenable number.

2040003601 is a deficient number, since it is larger than the sum of its proper divisors (2837999).

2040003601 is an equidigital number, since it uses as much as digits as its factorization.

2040003601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837998.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2040003601 is about 45166.3990262673. The cubic root of 2040003601 is about 1268.2658873221.

The spelling of 2040003601 in words is "two billion, forty million, three thousand, six hundred one".