11418880 has 72 divisors (see below), whose sum is σ = 29875104. Its totient is φ = 4147200.

The previous prime is 11418863. The next prime is 11418893. The reversal of 11418880 is 8881411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13675 + ... + 14485.

It is an arithmetic number, because the mean of its divisors is an integer number (414932).

Almost surely, 2^11418880 is an apocalyptic number.

11418880 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 11418880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14937552).

11418880 is an abundant number, since it is smaller than the sum of its proper divisors (18456224).

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

11418880 is an equidigital number, since it uses as much as digits as its factorization.

11418880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 11418880 is about 3379.1833332922. The cubic root of 11418880 is about 225.1858875359.

The spelling of 11418880 in words is "eleven million, four hundred eighteen thousand, eight hundred eighty".