438705772348742 has 16 divisors (see below), whose sum is σ = 661298668408752. Its totient is φ = 218274286394880.

The previous prime is 438705772348729. The next prime is 438705772348747. The reversal of 438705772348742 is 247843277507834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438705772348747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350253008 + ... + 351503315.

It is an arithmetic number, because the mean of its divisors is an integer number (41331166775547).

Almost surely, 2^{438705772348742} is an apocalyptic number.

438705772348742 is a deficient number, since it is larger than the sum of its proper divisors (222592896060010).

438705772348742 is a wasteful number, since it uses less digits than its factorization.

438705772348742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701757863.

The product of its (nonzero) digits is 1770209280, while the sum is 71.

The spelling of 438705772348742 in words is "four hundred thirty-eight trillion, seven hundred five billion, seven hundred seventy-two million, three hundred forty-eight thousand, seven hundred forty-two".