11618040 has 64 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 2655360.

The previous prime is 11618039. The next prime is 11618069. The reversal of 11618040 is 4081611.

11618040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11617998 and 11618016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6076 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^11618040 is an apocalyptic number.

11618040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11618040 is an abundant number, since it is smaller than the sum of its proper divisors (28218120).

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

11618040 is a wasteful number, since it uses less digits than its factorization.

11618040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852 (or 13848 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11618040 is about 3408.5246075098. The cubic root of 11618040 is about 226.4875266633.

Adding to 11618040 its reverse (4081611), we get a palindrome (15699651).

The spelling of 11618040 in words is "eleven million, six hundred eighteen thousand, forty".