11449440 has 72 divisors (see below), whose sum is σ = 39076128. Its totient is φ = 3052800.

The previous prime is 11449409. The next prime is 11449441. The reversal of 11449440 is 4494411.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11449441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2536 + ... + 5415.

It is an arithmetic number, because the mean of its divisors is an integer number (542724).

Almost surely, 2^11449440 is an apocalyptic number.

11449440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11449440 is an abundant number, since it is smaller than the sum of its proper divisors (27626688).

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

11449440 is a wasteful number, since it uses less digits than its factorization.

11449440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972 (or 7961 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 11449440 is about 3383.7021145485. The cubic root of 11449440 is about 225.3865946326.

It can be divided in two parts, 1 and 1449440, that added together give a palindrome (1449441).

The spelling of 11449440 in words is "eleven million, four hundred forty-nine thousand, four hundred forty".