2051110928 has 80 divisors (see below), whose sum is σ = 4465964160. Its totient is φ = 907450368.

The previous prime is 2051110921. The next prime is 2051110967. The reversal of 2051110928 is 8290111502.

It is a super-2 number, since 2×2051110928² = 8414112077922042368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2051110928.

It is not an unprimeable number, because it can be changed into a prime (2051110921) 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, 366326 + ... + 371882.

It is an arithmetic number, because the mean of its divisors is an integer number (55824552).

Almost surely, 2^2051110928 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 2051110928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232982080).

2051110928 is an abundant number, since it is smaller than the sum of its proper divisors (2414853232).

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

2051110928 is a wasteful number, since it uses less digits than its factorization.

2051110928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664 (or 5658 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 2051110928 is about 45289.1921765006. The cubic root of 2051110928 is about 1270.5635228316.

The spelling of 2051110928 in words is "two billion, fifty-one million, one hundred ten thousand, nine hundred twenty-eight".