1140255424 has 112 divisors (see below), whose sum is σ = 2887163136. Its totient is φ = 433843200.

The previous prime is 1140255397. The next prime is 1140255439. The reversal of 1140255424 is 4245520411.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1140255424² = 2600364863922839552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1140255392 and 1140255401.

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, 209214 + ... + 214594.

Almost surely, 2^1140255424 is an apocalyptic number.

1140255424 is a gapful number since it is divisible by the number (14) 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 1140255424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443581568).

1140255424 is an abundant number, since it is smaller than the sum of its proper divisors (1746907712).

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

1140255424 is a wasteful number, since it uses less digits than its factorization.

1140255424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1140255424 is about 33767.6683234126. The cubic root of 1140255424 is about 1044.7219406249.

Adding to 1140255424 its reverse (4245520411), we get a palindrome (5385775835).

The spelling of 1140255424 in words is "one billion, one hundred forty million, two hundred fifty-five thousand, four hundred twenty-four".