2045404002 has 16 divisors (see below), whose sum is σ = 4113663840. Its totient is φ = 677992032.

The previous prime is 2045403967. The next prime is 2045404021. The reversal of 2045404002 is 2004045402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045404002.

It is an unprimeable number.

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, 951163 + ... + 953310.

It is an arithmetic number, because the mean of its divisors is an integer number (257103990).

Almost surely, 2^2045404002 is an apocalyptic number.

2045404002 is an abundant number, since it is smaller than the sum of its proper divisors (2068259838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045404002 is a wasteful number, since it uses less digits than its factorization.

2045404002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904657.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2045404002 is about 45226.1429042982. The cubic root of 2045404002 is about 1269.3840404853.

Adding to 2045404002 its reverse (2004045402), we get a palindrome (4049449404).

The spelling of 2045404002 in words is "two billion, forty-five million, four hundred four thousand, two".