11354443040 has 24 divisors (see below), whose sum is σ = 26824872060. Its totient is φ = 4541777152.

The previous prime is 11354443039. The next prime is 11354443049. The reversal of 11354443040 is 4034445311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10581825424 + 772617616 = 102868^2 + 27796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11354442994 and 11354443012.

It is not an unprimeable number, because it can be changed into a prime (11354443049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35482475 + ... + 35482794.

Almost surely, 2^11354443040 is an apocalyptic number.

11354443040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11354443040 is an abundant number, since it is smaller than the sum of its proper divisors (15470429020).

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

11354443040 is an equidigital number, since it uses as much as digits as its factorization.

11354443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70965284 (or 70965276 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 11354443040 its reverse (4034445311), we get a palindrome (15388888351).

The spelling of 11354443040 in words is "eleven billion, three hundred fifty-four million, four hundred forty-three thousand, forty".