11342540 has 72 divisors (see below), whose sum is σ = 27036240. Its totient is φ = 3991680.

The previous prime is 11342537. The next prime is 11342543. The reversal of 11342540 is 4524311.

It is an interprime number because it is at equal distance from previous prime (11342537) and next prime (11342543).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11342543) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 104006 + ... + 104114.

Almost surely, 2^11342540 is an apocalyptic number.

11342540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11342540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518120).

11342540 is an abundant number, since it is smaller than the sum of its proper divisors (15693700).

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

11342540 is a wasteful number, since it uses less digits than its factorization.

11342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 11342540 is about 3367.8687622887. The cubic root of 11342540 is about 224.6829443818.

Adding to 11342540 its reverse (4524311), we get a palindrome (15866851).

The spelling of 11342540 in words is "eleven million, three hundred forty-two thousand, five hundred forty".