11640243342 has 32 divisors (see below), whose sum is σ = 28652908032. Its totient is φ = 3069954144.

The previous prime is 11640243341. The next prime is 11640243343. The reversal of 11640243342 is 24334204611.

It is an interprime number because it is at equal distance from previous prime (11640243341) and next prime (11640243343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640243341) 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, 10659018 + ... + 10660109.

It is an arithmetic number, because the mean of its divisors is an integer number (895403376).

Almost surely, 2^11640243342 is an apocalyptic number.

11640243342 is an abundant number, since it is smaller than the sum of its proper divisors (17012664690).

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

11640243342 is a wasteful number, since it uses less digits than its factorization.

11640243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319152.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 11640243342 its reverse (24334204611), we get a palindrome (35974447953).

The spelling of 11640243342 in words is "eleven billion, six hundred forty million, two hundred forty-three thousand, three hundred forty-two".