11313342440 has 16 divisors (see below), whose sum is σ = 25455020580. Its totient is φ = 4525336960.

The previous prime is 11313342437. The next prime is 11313342487. The reversal of 11313342440 is 4424331311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11272918276 + 40424164 = 106174^2 + 6358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141416741 + ... + 141416820.

Almost surely, 2^11313342440 is an apocalyptic number.

11313342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313342440 is an abundant number, since it is smaller than the sum of its proper divisors (14141678140).

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

11313342440 is a wasteful number, since it uses less digits than its factorization.

11313342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282833572 (or 282833568 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11313342440 its reverse (4424331311), we get a palindrome (15737673751).

The spelling of 11313342440 in words is "eleven billion, three hundred thirteen million, three hundred forty-two thousand, four hundred forty".