2040509491201 has 16 divisors (see below), whose sum is σ = 2153139206400. Its totient is φ = 1928406387600.

The previous prime is 2040509491199. The next prime is 2040509491243. The reversal of 2040509491201 is 1021949050402.

It is a cyclic number.

It is not a de Polignac number, because 2040509491201 - 2¹ = 2040509491199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040509491291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24017086 + ... + 24101896.

It is an arithmetic number, because the mean of its divisors is an integer number (134571200400).

Almost surely, 2^{2040509491201} is an apocalyptic number.

It is an amenable number.

2040509491201 is a deficient number, since it is larger than the sum of its proper divisors (112629715199).

2040509491201 is a wasteful number, since it uses less digits than its factorization.

2040509491201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87900.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 2040509491201 in words is "two trillion, forty billion, five hundred nine million, four hundred ninety-one thousand, two hundred one".