2040142454 has 16 divisors (see below), whose sum is σ = 3528340128. Its totient is φ = 866608512.

The previous prime is 2040142453. The next prime is 2040142469. The reversal of 2040142454 is 4542410402.

It is a super-2 number, since 2×2040142454² = 8324362465226284232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040142453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643217 + ... + 646380.

It is an arithmetic number, because the mean of its divisors is an integer number (220521258).

Almost surely, 2^2040142454 is an apocalyptic number.

2040142454 is a deficient number, since it is larger than the sum of its proper divisors (1488197674).

2040142454 is a wasteful number, since it uses less digits than its factorization.

2040142454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289719.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 2040142454 is about 45167.9361273016. The cubic root of 2040142454 is about 1268.2946615406.

Adding to 2040142454 its reverse (4542410402), we get a palindrome (6582552856).

The spelling of 2040142454 in words is "two billion, forty million, one hundred forty-two thousand, four hundred fifty-four".