438523784034 has 32 divisors (see below), whose sum is σ = 1003790708736. Its totient is φ = 125111180880.

The previous prime is 438523783949. The next prime is 438523784051. The reversal of 438523784034 is 430487325834.

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 15 ways as a sum of consecutive naturals, for example, 7526002 + ... + 7584045.

It is an arithmetic number, because the mean of its divisors is an integer number (31368459648).

Almost surely, 2^438523784034 is an apocalyptic number.

438523784034 is an abundant number, since it is smaller than the sum of its proper divisors (565266924702).

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

438523784034 is a wasteful number, since it uses less digits than its factorization.

438523784034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15110750.

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 438523784034 in words is "four hundred thirty-eight billion, five hundred twenty-three million, seven hundred eighty-four thousand, thirty-four".