11450400 has 144 divisors (see below), whose sum is σ = 40247424. Its totient is φ = 2810880.

The previous prime is 11450393. The next prime is 11450423. The reversal of 11450400 is 405411.

It is a super-2 number, since 2×11450400² = 262223320320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11450400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31017 + ... + 31383.

It is an arithmetic number, because the mean of its divisors is an integer number (279496).

Almost surely, 2^11450400 is an apocalyptic number.

11450400 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 11450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20123712).

11450400 is an abundant number, since it is smaller than the sum of its proper divisors (28797024).

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

11450400 is a wasteful number, since it uses less digits than its factorization.

11450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11450400 is about 3383.8439680340. The cubic root of 11450400 is about 225.3928937786.

Adding to 11450400 its reverse (405411), we get a palindrome (11855811).

The spelling of 11450400 in words is "eleven million, four hundred fifty thousand, four hundred".