11240442 has 12 divisors (see below), whose sum is σ = 24354330. Its totient is φ = 3746808.

The previous prime is 11240423. The next prime is 11240483. The reversal of 11240442 is 24404211.

It can be written as a sum of positive squares in only one way, i.e., 10751841 + 488601 = 3279^2 + 699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 624469 = 11240442 / (1 + 1 + 2 + 4 + 0 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312217 + ... + 312252.

Almost surely, 2^11240442 is an apocalyptic number.

11240442 is an abundant number, since it is smaller than the sum of its proper divisors (13113888).

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

11240442 is a wasteful number, since it uses less digits than its factorization.

11240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624477 (or 624474 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11240442 is about 3352.6768409735. The cubic root of 11240442 is about 224.0067626572.

Adding to 11240442 its reverse (24404211), we get a palindrome (35644653).

The spelling of 11240442 in words is "eleven million, two hundred forty thousand, four hundred forty-two".