1134440220 has 96 divisors (see below), whose sum is σ = 3378412800. Its totient is φ = 283613184.

The previous prime is 1134440207. The next prime is 1134440231. The reversal of 1134440220 is 220444311.

It is a super-2 number, since 2×1134440220² = 2573909225507296800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105451 + ... + 115709.

It is an arithmetic number, because the mean of its divisors is an integer number (35191800).

Almost surely, 2^1134440220 is an apocalyptic number.

1134440220 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 1134440220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689206400).

1134440220 is an abundant number, since it is smaller than the sum of its proper divisors (2243972580).

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

1134440220 is a wasteful number, since it uses less digits than its factorization.

1134440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387 (or 10385 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1134440220 is about 33681.4521658434. The cubic root of 1134440220 is about 1042.9429157306.

Adding to 1134440220 its reverse (220444311), we get a palindrome (1354884531).

The spelling of 1134440220 in words is "one billion, one hundred thirty-four million, four hundred forty thousand, two hundred twenty".