11350001440 has 72 divisors (see below), whose sum is σ = 27771225300. Its totient is φ = 4383396864.

The previous prime is 11350001419. The next prime is 11350001447. The reversal of 11350001440 is 4410005311.

It can be written as a sum of positive squares in 6 ways, for example, as 5321410704 + 6028590736 = 72948^2 + 77644^2 .

It is not an unprimeable number, because it can be changed into a prime (11350001447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92386 + ... + 176734.

Almost surely, 2^11350001440 is an apocalyptic number.

11350001440 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 11350001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13885612650).

11350001440 is an abundant number, since it is smaller than the sum of its proper divisors (16421223860).

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

11350001440 is an equidigital number, since it uses as much as digits as its factorization.

11350001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84422 (or 84385 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 11350001440 its reverse (4410005311), we get a palindrome (15760006751).

The spelling of 11350001440 in words is "eleven billion, three hundred fifty million, one thousand, four hundred forty".