2040454151 has 4 divisors (see below), whose sum is σ = 2045594232. Its totient is φ = 2035314072.

The previous prime is 2040454147. The next prime is 2040454153. The reversal of 2040454151 is 1514540402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040454151 - 2² = 2040454147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040454151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040454153) 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, 2569445 + ... + 2570238.

It is an arithmetic number, because the mean of its divisors is an integer number (511398558).

Almost surely, 2^2040454151 is an apocalyptic number.

2040454151 is a deficient number, since it is larger than the sum of its proper divisors (5140081).

2040454151 is an equidigital number, since it uses as much as digits as its factorization.

2040454151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140080.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2040454151 is about 45171.3864188382. The cubic root of 2040454151 is about 1268.3592491072.

Adding to 2040454151 its reverse (1514540402), we get a palindrome (3554994553).

The spelling of 2040454151 in words is "two billion, forty million, four hundred fifty-four thousand, one hundred fifty-one".