11425440 has 96 divisors (see below), whose sum is σ = 38779776. Its totient is φ = 2810880.

The previous prime is 11425433. The next prime is 11425459. The reversal of 11425440 is 4452411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5325 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (403956).

Almost surely, 2^11425440 is an apocalyptic number.

11425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19389888).

11425440 is an abundant number, since it is smaller than the sum of its proper divisors (27354336).

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

11425440 is a wasteful number, since it uses less digits than its factorization.

11425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11425440 is about 3380.1538426527. The cubic root of 11425440 is about 225.2290014148.

Adding to 11425440 its reverse (4452411), we get a palindrome (15877851).

The spelling of 11425440 in words is "eleven million, four hundred twenty-five thousand, four hundred forty".