11442340 has 48 divisors (see below), whose sum is σ = 29578752. Its totient is φ = 3620736.

The previous prime is 11442331. The next prime is 11442367. The reversal of 11442340 is 4324411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (616224).

Almost surely, 2^11442340 is an apocalyptic number.

11442340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11442340 is an abundant number, since it is smaller than the sum of its proper divisors (18136412).

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

11442340 is a wasteful number, since it uses less digits than its factorization.

11442340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316 (or 6314 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11442340 is about 3382.6528051220. The cubic root of 11442340 is about 225.3399962628.

Adding to 11442340 its reverse (4324411), we get a palindrome (15766751).

The spelling of 11442340 in words is "eleven million, four hundred forty-two thousand, three hundred forty".