1143096440 has 32 divisors (see below), whose sum is σ = 2585040480. Its totient is φ = 454914432.

The previous prime is 1143096413. The next prime is 1143096457. The reversal of 1143096440 is 446903411.

It is a happy number.

It is a super-2 number, since 2×1143096440² = 2613338942281347200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143096397 and 1143096406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64652 + ... + 80411.

It is an arithmetic number, because the mean of its divisors is an integer number (80782515).

Almost surely, 2^1143096440 is an apocalyptic number.

1143096440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143096440 is an abundant number, since it is smaller than the sum of its proper divisors (1441944040).

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

1143096440 is a wasteful number, since it uses less digits than its factorization.

1143096440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145271 (or 145267 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1143096440 is about 33809.7092563660. The cubic root of 1143096440 is about 1045.5888838404.

Adding to 1143096440 its reverse (446903411), we get a palindrome (1589999851).

The spelling of 1143096440 in words is "one billion, one hundred forty-three million, ninety-six thousand, four hundred forty".