340040442312 has 48 divisors (see below), whose sum is σ = 955051865040. Its totient is φ = 113346813456.

The previous prime is 340040442191. The next prime is 340040442349. The reversal of 340040442312 is 213244040043.

It is a happy number.

340040442312 is a `hidden beast` number, since 340 + 0 + 4 + 0 + 4 + 4 + 2 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87457018 + ... + 87460905.

It is an arithmetic number, because the mean of its divisors is an integer number (19896913855).

Almost surely, 2^340040442312 is an apocalyptic number.

It is an amenable number.

340040442312 is an abundant number, since it is smaller than the sum of its proper divisors (615011422728).

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

340040442312 is a wasteful number, since it uses less digits than its factorization.

340040442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174917944 (or 174917928 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 340040442312 its reverse (213244040043), we get a palindrome (553284482355).

The spelling of 340040442312 in words is "three hundred forty billion, forty million, four hundred forty-two thousand, three hundred twelve".