11648240 has 20 divisors (see below), whose sum is σ = 27082344. Its totient is φ = 4659264.

The previous prime is 11648239. The next prime is 11648243. The reversal of 11648240 is 4284611.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11648243) 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 3 ways as a sum of consecutive naturals, for example, 72722 + ... + 72881.

Almost surely, 2^11648240 is an apocalyptic number.

11648240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11648240 is an abundant number, since it is smaller than the sum of its proper divisors (15434104).

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

11648240 is a wasteful number, since it uses less digits than its factorization.

11648240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145616 (or 145610 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 11648240 is about 3412.9518015935. The cubic root of 11648240 is about 226.6836011954.

The spelling of 11648240 in words is "eleven million, six hundred forty-eight thousand, two hundred forty".