11146240 has 88 divisors (see below), whose sum is σ = 30655872. Its totient is φ = 3809280.

The previous prime is 11146229. The next prime is 11146277. The reversal of 11146240 is 4264111.

It is a super-2 number, since 2×11146240² = 248477332275200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

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, 35685 + ... + 35995.

Almost surely, 2^11146240 is an apocalyptic number.

11146240 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 11146240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15327936).

11146240 is an abundant number, since it is smaller than the sum of its proper divisors (19509632).

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

11146240 is an equidigital number, since it uses as much as digits as its factorization.

11146240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 325 counting only the distinct ones).

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

The square root of 11146240 is about 3338.5985083565. The cubic root of 11146240 is about 223.3792336538.

The spelling of 11146240 in words is "eleven million, one hundred forty-six thousand, two hundred forty".