340312546542 has 128 divisors (see below), whose sum is σ = 739653120000. Its totient is φ = 104134947840.

The previous prime is 340312546537. The next prime is 340312546543. The reversal of 340312546542 is 245645213043.

It is a self number, because there is not a number n which added to its sum of digits gives 340312546542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340312546543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78248584 + ... + 78252932.

It is an arithmetic number, because the mean of its divisors is an integer number (5778540000).

Almost surely, 2^340312546542 is an apocalyptic number.

340312546542 is an abundant number, since it is smaller than the sum of its proper divisors (399340573458).

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

340312546542 is a wasteful number, since it uses less digits than its factorization.

340312546542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 340312546542 its reverse (245645213043), we get a palindrome (585957759585).

The spelling of 340312546542 in words is "three hundred forty billion, three hundred twelve million, five hundred forty-six thousand, five hundred forty-two".