1111400244 has 24 divisors (see below), whose sum is σ = 2881408320. Its totient is φ = 370466712.

The previous prime is 1111400233. The next prime is 1111400261. The reversal of 1111400244 is 4420041111.

1111400244 is a `hidden beast` number, since 11 + 11 + 400 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145264 + ... + 5145479.

It is an arithmetic number, because the mean of its divisors is an integer number (120058680).

Almost surely, 2^1111400244 is an apocalyptic number.

It is an amenable number.

1111400244 is an abundant number, since it is smaller than the sum of its proper divisors (1770008076).

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

1111400244 is a wasteful number, since it uses less digits than its factorization.

1111400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290756 (or 10290748 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1111400244 is about 33337.6700445607. The cubic root of 1111400244 is about 1035.8340011708.

Adding to 1111400244 its reverse (4420041111), we get a palindrome (5531441355).

The spelling of 1111400244 in words is "one billion, one hundred eleven million, four hundred thousand, two hundred forty-four".