2046004405 has 4 divisors (see below), whose sum is σ = 2455205292. Its totient is φ = 1636803520.

The previous prime is 2046004391. The next prime is 2046004409. The reversal of 2046004405 is 5044006402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 631717956 + 1414286449 = 25134^2 + 37607^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2046004405 is a prime.

It is a super-2 number, since 2×2046004405² = 8372268050558808050, which contains 22 as substring.

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 2046004405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046004409) 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 in 3 ways as a sum of consecutive naturals, for example, 204600436 + ... + 204600445.

It is an arithmetic number, because the mean of its divisors is an integer number (613801323).

Almost surely, 2^2046004405 is an apocalyptic number.

It is an amenable number.

2046004405 is a deficient number, since it is larger than the sum of its proper divisors (409200887).

2046004405 is an equidigital number, since it uses as much as digits as its factorization.

2046004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409200886.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2046004405 is about 45232.7802041838. The cubic root of 2046004405 is about 1269.5082323198.

The spelling of 2046004405 in words is "two billion, forty-six million, four thousand, four hundred five".