1120234440 has 128 divisors (see below), whose sum is σ = 3632428800. Its totient is φ = 274744320.

The previous prime is 1120234411. The next prime is 1120234441. The reversal of 1120234440 is 444320211.

It is a super-2 number, since 2×1120234440² = 2509850401124227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120234441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484006 + ... + 486314.

It is an arithmetic number, because the mean of its divisors is an integer number (28378350).

Almost surely, 2^1120234440 is an apocalyptic number.

1120234440 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 1120234440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816214400).

1120234440 is an abundant number, since it is smaller than the sum of its proper divisors (2512194360).

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

1120234440 is a wasteful number, since it uses less digits than its factorization.

1120234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2643 counting only the distinct ones).

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

The square root of 1120234440 is about 33469.9034955286. The cubic root of 1120234440 is about 1038.5712753339.

Adding to 1120234440 its reverse (444320211), we get a palindrome (1564554651).

The spelling of 1120234440 in words is "one billion, one hundred twenty million, two hundred thirty-four thousand, four hundred forty".