11403344442 has 16 divisors (see below), whose sum is σ = 26064787392. Its totient is φ = 3258098400.

The previous prime is 11403344377. The next prime is 11403344471. The reversal of 11403344442 is 24444330411.

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, 135754059 + ... + 135754142.

It is an arithmetic number, because the mean of its divisors is an integer number (1629049212).

Almost surely, 2^11403344442 is an apocalyptic number.

11403344442 is an abundant number, since it is smaller than the sum of its proper divisors (14661442950).

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

11403344442 is a wasteful number, since it uses less digits than its factorization.

11403344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271508213.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 11403344442 its reverse (24444330411), we get a palindrome (35847674853).

The spelling of 11403344442 in words is "eleven billion, four hundred three million, three hundred forty-four thousand, four hundred forty-two".