1113344400 has 120 divisors (see below), whose sum is σ = 4075931584. Its totient is φ = 254476800.

The previous prime is 1113344359. The next prime is 1113344429. The reversal of 1113344400 is 44433111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1113344400² = 2479071506022720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57871 + ... + 74670.

Almost surely, 2^1113344400 is an apocalyptic number.

1113344400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113344400 is an abundant number, since it is smaller than the sum of its proper divisors (2962587184).

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

1113344400 is a wasteful number, since it uses less digits than its factorization.

1113344400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132569 (or 132558 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1113344400 is about 33366.8158504823. The cubic root of 1113344400 is about 1036.4376390258.

Adding to 1113344400 its reverse (44433111), we get a palindrome (1157777511).

The spelling of 1113344400 in words is "one billion, one hundred thirteen million, three hundred forty-four thousand, four hundred".