438313864790 has 16 divisors (see below), whose sum is σ = 810288334512. Its totient is φ = 170587017504.

The previous prime is 438313864787. The next prime is 438313864853. The reversal of 438313864790 is 97468313834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592315664 + ... + 592316403.

It is an arithmetic number, because the mean of its divisors is an integer number (50643020907).

Almost surely, 2^438313864790 is an apocalyptic number.

438313864790 is a deficient number, since it is larger than the sum of its proper divisors (371974469722).

438313864790 is a wasteful number, since it uses less digits than its factorization.

438313864790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184632111.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 438313864790 in words is "four hundred thirty-eight billion, three hundred thirteen million, eight hundred sixty-four thousand, seven hundred ninety".