1117828944 has 40 divisors (see below), whose sum is σ = 3208584320. Its totient is φ = 372609504.

The previous prime is 1117828861. The next prime is 1117828949. The reversal of 1117828944 is 4498287111.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1117828944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117828949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293352 + ... + 1294215.

It is an arithmetic number, because the mean of its divisors is an integer number (80214608).

Almost surely, 2^1117828944 is an apocalyptic number.

It is an amenable number.

1117828944 is an abundant number, since it is smaller than the sum of its proper divisors (2090755376).

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

1117828944 is a wasteful number, since it uses less digits than its factorization.

1117828944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587584 (or 2587572 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1117828944 is about 33433.9489740593. The cubic root of 1117828944 is about 1037.8273627823.

The spelling of 1117828944 in words is "one billion, one hundred seventeen million, eight hundred twenty-eight thousand, nine hundred forty-four".