11004421400 has 96 divisors (see below), whose sum is σ = 29388000000. Its totient is φ = 3753889920.

The previous prime is 11004421399. The next prime is 11004421409. The reversal of 11004421400 is 412440011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004421409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258851 + ... + 298349.

It is an arithmetic number, because the mean of its divisors is an integer number (306125000).

Almost surely, 2^11004421400 is an apocalyptic number.

11004421400 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 11004421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14694000000).

11004421400 is an abundant number, since it is smaller than the sum of its proper divisors (18383578600).

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

11004421400 is a wasteful number, since it uses less digits than its factorization.

11004421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39721 (or 39712 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11004421400 its reverse (412440011), we get a palindrome (11416861411).

The spelling of 11004421400 in words is "eleven billion, four million, four hundred twenty-one thousand, four hundred".