2040900854 has 4 divisors (see below), whose sum is σ = 3061351284. Its totient is φ = 1020450426.

The previous prime is 2040900811. The next prime is 2040900863. The reversal of 2040900854 is 4580090402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2040900854.

It is a congruent number.

It is an unprimeable number.

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, 510225212 + ... + 510225215.

It is an arithmetic number, because the mean of its divisors is an integer number (765337821).

Almost surely, 2^2040900854 is an apocalyptic number.

2040900854 is a deficient number, since it is larger than the sum of its proper divisors (1020450430).

2040900854 is a wasteful number, since it uses less digits than its factorization.

2040900854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020450429.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2040900854 is about 45176.3306832239. The cubic root of 2040900854 is about 1268.4518001602.

The spelling of 2040900854 in words is "two billion, forty million, nine hundred thousand, eight hundred fifty-four".