11540400 has 120 divisors (see below), whose sum is σ = 37824960. Its totient is φ = 3006720.

The previous prime is 11540387. The next prime is 11540413. The reversal of 11540400 is 404511.

It is an interprime number because it is at equal distance from previous prime (11540387) and next prime (11540413).

It is a tau number, because it is divible by the number of its divisors (120).

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 11540400.

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, 70719 + ... + 70881.

It is an arithmetic number, because the mean of its divisors is an integer number (315208).

Almost surely, 2^11540400 is an apocalyptic number.

11540400 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 11540400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18912480).

11540400 is an abundant number, since it is smaller than the sum of its proper divisors (26284560).

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

11540400 is a wasteful number, since it uses less digits than its factorization.

11540400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 232 counting only the distinct ones).

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

The square root of 11540400 is about 3397.1164242634. The cubic root of 11540400 is about 225.9818817542.

Adding to 11540400 its reverse (404511), we get a palindrome (11944911).

The spelling of 11540400 in words is "eleven million, five hundred forty thousand, four hundred".