1011044916 has 120 divisors (see below), whose sum is σ = 3030335616. Its totient is φ = 287945280.

The previous prime is 1011044911. The next prime is 1011044917. The reversal of 1011044916 is 6194401101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1011044916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011044911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1045065 + ... + 1046031.

Almost surely, 2^1011044916 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 1011044916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515167808).

1011044916 is an abundant number, since it is smaller than the sum of its proper divisors (2019290700).

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

1011044916 is a wasteful number, since it uses less digits than its factorization.

1011044916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1011044916 is about 31796.9324935598. The cubic root of 1011044916 is about 1003.6681667670.

The spelling of 1011044916 in words is "one billion, eleven million, forty-four thousand, nine hundred sixteen".