1140229424 has 40 divisors (see below), whose sum is σ = 2293446960. Its totient is φ = 548511488.

The previous prime is 1140229421. The next prime is 1140229427. The reversal of 1140229424 is 4249220411.

It is an interprime number because it is at equal distance from previous prime (1140229421) and next prime (1140229427).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1140229421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131759 + ... + 140145.

It is an arithmetic number, because the mean of its divisors is an integer number (57336174).

Almost surely, 2^1140229424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140229424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146723480).

1140229424 is an abundant number, since it is smaller than the sum of its proper divisors (1153217536).

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

1140229424 is a wasteful number, since it uses less digits than its factorization.

1140229424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717 (or 8711 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1140229424 is about 33767.2833375740. The cubic root of 1140229424 is about 1044.7140000131.

Adding to 1140229424 its reverse (4249220411), we get a palindrome (5389449835).

The spelling of 1140229424 in words is "one billion, one hundred forty million, two hundred twenty-nine thousand, four hundred twenty-four".