11330143440 has 320 divisors, whose sum is σ = 43903475712. Its totient is φ = 2348236800.

The previous prime is 11330143427. The next prime is 11330143453. The reversal of 11330143440 is 4434103311.

It is an interprime number because it is at equal distance from previous prime (11330143427) and next prime (11330143453).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11330143440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12436585 + ... + 12437495.

Almost surely, 2^11330143440 is an apocalyptic number.

11330143440 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 11330143440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21951737856).

11330143440 is an abundant number, since it is smaller than the sum of its proper divisors (32573332272).

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

11330143440 is a wasteful number, since it uses less digits than its factorization.

11330143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11330143440 its reverse (4434103311), we get a palindrome (15764246751).

The spelling of 11330143440 in words is "eleven billion, three hundred thirty million, one hundred forty-three thousand, four hundred forty".