11342440 has 32 divisors (see below), whose sum is σ = 25651080. Its totient is φ = 4513792.

The previous prime is 11342423. The next prime is 11342447. The reversal of 11342440 is 4424311.

It can be written as a sum of positive squares in 4 ways, for example, as 6563844 + 4778596 = 2562^2 + 2186^2 .

It is not an unprimeable number, because it can be changed into a prime (11342447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8712 + ... + 9928.

Almost surely, 2^11342440 is an apocalyptic number.

11342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11342440 is an abundant number, since it is smaller than the sum of its proper divisors (14308640).

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

11342440 is a wasteful number, since it uses less digits than its factorization.

11342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1457 counting only the distinct ones).

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

The square root of 11342440 is about 3367.8539160718. The cubic root of 11342440 is about 224.6822840841.

Adding to 11342440 its reverse (4424311), we get a palindrome (15766751).

The spelling of 11342440 in words is "eleven million, three hundred forty-two thousand, four hundred forty".