11400488 has 32 divisors (see below), whose sum is σ = 23448960. Its totient is φ = 5153280.

The previous prime is 11400481. The next prime is 11400491. The reversal of 11400488 is 88400411.

It is a super-2 number, since 2×11400488² = 259942253276288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11400481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30881 + ... + 31247.

It is an arithmetic number, because the mean of its divisors is an integer number (732780).

Almost surely, 2^11400488 is an apocalyptic number.

It is an amenable number.

11400488 is an abundant number, since it is smaller than the sum of its proper divisors (12048472).

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

11400488 is a wasteful number, since it uses less digits than its factorization.

11400488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 11400488 is about 3376.4608690166. The cubic root of 11400488 is about 225.0649228288.

Adding to 11400488 its reverse (88400411), we get a palindrome (99800899).

The spelling of 11400488 in words is "eleven million, four hundred thousand, four hundred eighty-eight".