2041791228 has 18 divisors (see below), whose sum is σ = 5161194584. Its totient is φ = 680597064.

The previous prime is 2041791221. The next prime is 2041791361. The reversal of 2041791228 is 8221971402.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2041791228² = 8337822837475495968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56716423 = 2041791228 / (2 + 0 + 4 + 1 + 7 + 9 + 1 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2041791192 and 2041791201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041791221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28358176 + ... + 28358247.

Almost surely, 2^2041791228 is an apocalyptic number.

It is an amenable number.

2041791228 is an abundant number, since it is smaller than the sum of its proper divisors (3119403356).

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

2041791228 is a wasteful number, since it uses less digits than its factorization.

2041791228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56716433 (or 56716428 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2041791228 is about 45186.1840389294. The cubic root of 2041791228 is about 1268.6362337976.

The spelling of 2041791228 in words is "two billion, forty-one million, seven hundred ninety-one thousand, two hundred twenty-eight".