11042442380 has 24 divisors (see below), whose sum is σ = 23211029520. Its totient is φ = 4412805440.

The previous prime is 11042442277. The next prime is 11042442409. The reversal of 11042442380 is 8324424011.

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, 238970 + ... + 281409.

It is an arithmetic number, because the mean of its divisors is an integer number (967126230).

Almost surely, 2^11042442380 is an apocalyptic number.

11042442380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11042442380 is an abundant number, since it is smaller than the sum of its proper divisors (12168587140).

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

11042442380 is a wasteful number, since it uses less digits than its factorization.

11042442380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521449 (or 521447 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 11042442380 its reverse (8324424011), we get a palindrome (19366866391).

The spelling of 11042442380 in words is "eleven billion, forty-two million, four hundred forty-two thousand, three hundred eighty".