2085490128 has 20 divisors (see below), whose sum is σ = 5387516288. Its totient is φ = 695163360.

The previous prime is 2085490123. The next prime is 2085490129. The reversal of 2085490128 is 8210945802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085490123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723808 + ... + 21723903.

Almost surely, 2^2085490128 is an apocalyptic number.

It is an amenable number.

2085490128 is an abundant number, since it is smaller than the sum of its proper divisors (3302026160).

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

2085490128 is a wasteful number, since it uses less digits than its factorization.

2085490128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43447722 (or 43447716 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2085490128 is about 45667.1668488423. The cubic root of 2085490128 is about 1277.6229745424.

The spelling of 2085490128 in words is "two billion, eighty-five million, four hundred ninety thousand, one hundred twenty-eight".