11433040 has 40 divisors (see below), whose sum is σ = 26737128. Its totient is φ = 4546560.

The previous prime is 11433031. The next prime is 11433049. The reversal of 11433040 is 4033411.

It is an interprime number because it is at equal distance from previous prime (11433031) and next prime (11433049).

It can be written as a sum of positive squares in 4 ways, for example, as 2742336 + 8690704 = 1656^2 + 2948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433049) 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 7 ways as a sum of consecutive naturals, for example, 18984 + ... + 19576.

Almost surely, 2^11433040 is an apocalyptic number.

11433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11433040 is an abundant number, since it is smaller than the sum of its proper divisors (15304088).

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

11433040 is a wasteful number, since it uses less digits than its factorization.

11433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11433040 is about 3381.2778649499. The cubic root of 11433040 is about 225.2789297914.

Adding to 11433040 its reverse (4033411), we get a palindrome (15466451).

The spelling of 11433040 in words is "eleven million, four hundred thirty-three thousand, forty".