2042644928 has 112 divisors (see below), whose sum is σ = 4550968800. Its totient is φ = 904888320.

The previous prime is 2042644921. The next prime is 2042644939. The reversal of 2042644928 is 8294462402.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042644921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292843 + ... + 1294421.

It is an arithmetic number, because the mean of its divisors is an integer number (40633650).

Almost surely, 2^2042644928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042644928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275484400).

2042644928 is an abundant number, since it is smaller than the sum of its proper divisors (2508323872).

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

2042644928 is a wasteful number, since it uses less digits than its factorization.

2042644928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 2042644928 is about 45195.6295232183. The cubic root of 2042644928 is about 1268.8130203742.

The spelling of 2042644928 in words is "two billion, forty-two million, six hundred forty-four thousand, nine hundred twenty-eight".