340443125538 has 64 divisors (see below), whose sum is σ = 707110992000. Its totient is φ = 109141530624.

The previous prime is 340443125537. The next prime is 340443125551. The reversal of 340443125538 is 835521344043.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340443125538.

It is not an unprimeable number, because it can be changed into a prime (340443125537) 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 31 ways as a sum of consecutive naturals, for example, 61261056 + ... + 61266612.

It is an arithmetic number, because the mean of its divisors is an integer number (11048609250).

Almost surely, 2^340443125538 is an apocalyptic number.

340443125538 is an abundant number, since it is smaller than the sum of its proper divisors (366667866462).

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

340443125538 is a wasteful number, since it uses less digits than its factorization.

340443125538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 340443125538 in words is "three hundred forty billion, four hundred forty-three million, one hundred twenty-five thousand, five hundred thirty-eight".