11342403400 has 144 divisors (see below), whose sum is σ = 29472460740. Its totient is φ = 4044902400.

The previous prime is 11342403301. The next prime is 11342403403. The reversal of 11342403400 is 430424311.

It can be written as a sum of positive squares in 6 ways, for example, as 9294116836 + 2048286564 = 96406^2 + 45258^2 .

It is a super-2 number, since 2×11342403400² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11342403403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1222780 + ... + 1232020.

Almost surely, 2^11342403400 is an apocalyptic number.

11342403400 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 11342403400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14736230370).

11342403400 is an abundant number, since it is smaller than the sum of its proper divisors (18130057340).

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

11342403400 is a wasteful number, since it uses less digits than its factorization.

11342403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312 (or 9284 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11342403400 its reverse (430424311), we get a palindrome (11772827711).

The spelling of 11342403400 in words is "eleven billion, three hundred forty-two million, four hundred three thousand, four hundred".