11406040 has 16 divisors (see below), whose sum is σ = 25663680. Its totient is φ = 4562400.

The previous prime is 11406001. The next prime is 11406041. The reversal of 11406040 is 4060411.

11406040 = 865² + 866² + ... + 879².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11406041) 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 3 ways as a sum of consecutive naturals, for example, 142536 + ... + 142615.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^11406040 is an apocalyptic number.

11406040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11406040 is an abundant number, since it is smaller than the sum of its proper divisors (14257640).

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

11406040 is a wasteful number, since it uses less digits than its factorization.

11406040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285162 (or 285158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11406040 is about 3377.2829315886. The cubic root of 11406040 is about 225.1014521909.

Adding to 11406040 its reverse (4060411), we get a palindrome (15466451).

It can be divided in two parts, 1 and 1406040, that added together give a palindrome (1406041).

The spelling of 11406040 in words is "eleven million, four hundred six thousand, forty".