11380240 has 40 divisors (see below), whose sum is σ = 27855360. Its totient is φ = 4311936.

The previous prime is 11380223. The next prime is 11380241. The reversal of 11380240 is 4208311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (11380241) 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, 2224 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (696384).

Almost surely, 2^11380240 is an apocalyptic number.

11380240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11380240 is an abundant number, since it is smaller than the sum of its proper divisors (16475120).

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

11380240 is a wasteful number, since it uses less digits than its factorization.

11380240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519 (or 7513 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11380240 is about 3373.4611306491. The cubic root of 11380240 is about 224.9316006081.

Adding to 11380240 its reverse (4208311), we get a palindrome (15588551).

The spelling of 11380240 in words is "eleven million, three hundred eighty thousand, two hundred forty".