2090774128 has 20 divisors (see below), whose sum is σ = 4111337800. Its totient is φ = 1029783744.

The previous prime is 2090774113. The next prime is 2090774141. The reversal of 2090774128 is 8214770902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974103 + ... + 976246.

It is an arithmetic number, because the mean of its divisors is an integer number (205566890).

Almost surely, 2^2090774128 is an apocalyptic number.

It is an amenable number.

2090774128 is a deficient number, since it is larger than the sum of its proper divisors (2020563672).

2090774128 is a wasteful number, since it uses less digits than its factorization.

2090774128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950424 (or 1950418 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2090774128 is about 45724.9836303962. The cubic root of 2090774128 is about 1278.7011009886.

It can be divided in two parts, 2090774 and 128, that added together give a palindrome (2090902).

The spelling of 2090774128 in words is "two billion, ninety million, seven hundred seventy-four thousand, one hundred twenty-eight".