11230040 has 16 divisors (see below), whose sum is σ = 25267680. Its totient is φ = 4492000.

The previous prime is 11230031. The next prime is 11230069. The reversal of 11230040 is 4003211.

It is a happy number.

It is a super-2 number, since 2×11230040² = 252227596803200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140336 + ... + 140415.

It is an arithmetic number, because the mean of its divisors is an integer number (1579230).

Almost surely, 2^11230040 is an apocalyptic number.

11230040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230040 is an abundant number, since it is smaller than the sum of its proper divisors (14037640).

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

11230040 is a wasteful number, since it uses less digits than its factorization.

11230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280762 (or 280758 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 11230040 is about 3351.1251841732. The cubic root of 11230040 is about 223.9376420810.

Adding to 11230040 its reverse (4003211), we get a palindrome (15233251).

The spelling of 11230040 in words is "eleven million, two hundred thirty thousand, forty".