11434340140 has 48 divisors (see below), whose sum is σ = 24759743904. Its totient is φ = 4432320000.

The previous prime is 11434340117. The next prime is 11434340143. The reversal of 11434340140 is 4104343411.

It is not an unprimeable number, because it can be changed into a prime (11434340143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154960 + ... + 216520.

It is an arithmetic number, because the mean of its divisors is an integer number (515827998).

Almost surely, 2^11434340140 is an apocalyptic number.

11434340140 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 11434340140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12379871952).

11434340140 is an abundant number, since it is smaller than the sum of its proper divisors (13325403764).

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

11434340140 is a wasteful number, since it uses less digits than its factorization.

11434340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61858 (or 61856 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11434340140 its reverse (4104343411), we get a palindrome (15538683551).

The spelling of 11434340140 in words is "eleven billion, four hundred thirty-four million, three hundred forty thousand, one hundred forty".