2434540385438 has 48 divisors (see below), whose sum is σ = 4347508049280. Its totient is φ = 1018947639024.

The previous prime is 2434540385437. The next prime is 2434540385441. The reversal of 2434540385438 is 8345830454342.

It is a self number, because there is not a number n which added to its sum of digits gives 2434540385438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2434540385437) 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 23 ways as a sum of consecutive naturals, for example, 28524095 + ... + 28609317.

It is an arithmetic number, because the mean of its divisors is an integer number (90573084360).

Almost surely, 2^{2434540385438} is an apocalyptic number.

2434540385438 is a deficient number, since it is larger than the sum of its proper divisors (1912967663842).

2434540385438 is a wasteful number, since it uses less digits than its factorization.

2434540385438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92061 (or 92054 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 53.

The spelling of 2434540385438 in words is "two trillion, four hundred thirty-four billion, five hundred forty million, three hundred eighty-five thousand, four hundred thirty-eight".