2040454562 has 4 divisors (see below), whose sum is σ = 3060681846. Its totient is φ = 1020227280.

The previous prime is 2040454561. The next prime is 2040454589. The reversal of 2040454562 is 2654540402.

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

It can be written as a sum of positive squares in only one way, i.e., 1116963241 + 923491321 = 33421^2 + 30389^2 .

It is a super-2 number, since 2×2040454562² = 8326909639173223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040454561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510113639 + ... + 510113642.

Almost surely, 2^2040454562 is an apocalyptic number.

2040454562 is a deficient number, since it is larger than the sum of its proper divisors (1020227284).

2040454562 is a wasteful number, since it uses less digits than its factorization.

2040454562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020227283.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2040454562 is about 45171.3909681781. The cubic root of 2040454562 is about 1268.3593342673.

Adding to 2040454562 its reverse (2654540402), we get a palindrome (4694994964).

The spelling of 2040454562 in words is "two billion, forty million, four hundred fifty-four thousand, five hundred sixty-two".