11240403420 has 96 divisors (see below), whose sum is σ = 33247630080. Its totient is φ = 2829565440.

The previous prime is 11240403413. The next prime is 11240403437. The reversal of 11240403420 is 2430404211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305200 + ... + 340040.

It is an arithmetic number, because the mean of its divisors is an integer number (346329480).

Almost surely, 2^11240403420 is an apocalyptic number.

11240403420 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 11240403420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16623815040).

11240403420 is an abundant number, since it is smaller than the sum of its proper divisors (22007226660).

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

11240403420 is a wasteful number, since it uses less digits than its factorization.

11240403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35155 (or 35153 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 11240403420 its reverse (2430404211), we get a palindrome (13670807631).

The spelling of 11240403420 in words is "eleven billion, two hundred forty million, four hundred three thousand, four hundred twenty".