1133344420 has 48 divisors (see below), whose sum is σ = 2578368240. Its totient is φ = 418449408.

The previous prime is 1133344391. The next prime is 1133344439. The reversal of 1133344420 is 244433311.

It can be written as a sum of positive squares in 8 ways, for example, as 1055340196 + 78004224 = 32486^2 + 8832^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31044 + ... + 56836.

It is an arithmetic number, because the mean of its divisors is an integer number (53716005).

Almost surely, 2^1133344420 is an apocalyptic number.

1133344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133344420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289184120).

1133344420 is an abundant number, since it is smaller than the sum of its proper divisors (1445023820).

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

1133344420 is a wasteful number, since it uses less digits than its factorization.

1133344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25841 (or 25813 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1133344420 is about 33665.1811223406. The cubic root of 1133344420 is about 1042.6070011532.

Adding to 1133344420 its reverse (244433311), we get a palindrome (1377777731).

The spelling of 1133344420 in words is "one billion, one hundred thirty-three million, three hundred forty-four thousand, four hundred twenty".