11403441400 has 144 divisors (see below), whose sum is σ = 29851448760. Its totient is φ = 4026950400.

The previous prime is 11403441389. The next prime is 11403441487. The reversal of 11403441400 is 414430411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1371255 + ... + 1379545.

Almost surely, 2^11403441400 is an apocalyptic number.

11403441400 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 11403441400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14925724380).

11403441400 is an abundant number, since it is smaller than the sum of its proper divisors (18448007360).

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

11403441400 is a wasteful number, since it uses less digits than its factorization.

11403441400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366 (or 8334 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11403441400 its reverse (414430411), we get a palindrome (11817871811).

The spelling of 11403441400 in words is "eleven billion, four hundred three million, four hundred forty-one thousand, four hundred".