2040000454 has 4 divisors (see below), whose sum is σ = 3060000684. Its totient is φ = 1020000226.

The previous prime is 2040000451. The next prime is 2040000481. The reversal of 2040000454 is 4540000402.

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

It is a super-2 number, since 2×2040000454² = 8323203704640412232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040000451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510000112 + ... + 510000115.

It is an arithmetic number, because the mean of its divisors is an integer number (765000171).

Almost surely, 2^2040000454 is an apocalyptic number.

2040000454 is a deficient number, since it is larger than the sum of its proper divisors (1020000230).

2040000454 is a wasteful number, since it uses less digits than its factorization.

2040000454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020000229.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2040000454 is about 45166.3641884091. The cubic root of 2040000454 is about 1268.2652351607.

Adding to 2040000454 its reverse (4540000402), we get a palindrome (6580000856).

The spelling of 2040000454 in words is "two billion, forty million, four hundred fifty-four", and thus it is an aban number.