11112440 has 32 divisors (see below), whose sum is σ = 25105680. Its totient is φ = 4426752.

The previous prime is 11112433. The next prime is 11112449. The reversal of 11112440 is 4421111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112449) 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, 13727 + ... + 14513.

Almost surely, 2^11112440 is an apocalyptic number.

11112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112440 is an abundant number, since it is smaller than the sum of its proper divisors (13993240).

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

11112440 is a wasteful number, since it uses less digits than its factorization.

11112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 11112440 is about 3333.5326607070. The cubic root of 11112440 is about 223.1532123595.

Adding to 11112440 its reverse (4421111), we get a palindrome (15533551).

The spelling of 11112440 in words is "eleven million, one hundred twelve thousand, four hundred forty".