11454440 has 32 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 4555584.

The previous prime is 11454431. The next prime is 11454451. The reversal of 11454440 is 4445411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7241 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^11454440 is an apocalyptic number.

11454440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11454440 is an abundant number, since it is smaller than the sum of its proper divisors (14465560).

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

11454440 is a wasteful number, since it uses less digits than its factorization.

11454440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 11454440 is about 3384.4408696268. The cubic root of 11454440 is about 225.4193988270.

Adding to 11454440 its reverse (4445411), we get a palindrome (15899851).

The spelling of 11454440 in words is "eleven million, four hundred fifty-four thousand, four hundred forty".