438064704020 has 48 divisors (see below), whose sum is σ = 924043317120. Its totient is φ = 174444891264.

The previous prime is 438064704019. The next prime is 438064704023. The reversal of 438064704020 is 20407460834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438064704023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5108942 + ... + 5193978.

It is an arithmetic number, because the mean of its divisors is an integer number (19250902440).

Almost surely, 2^438064704020 is an apocalyptic number.

It is an amenable number.

438064704020 is an abundant number, since it is smaller than the sum of its proper divisors (485978613100).

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

438064704020 is a wasteful number, since it uses less digits than its factorization.

438064704020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86192 (or 86190 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 438064704020 in words is "four hundred thirty-eight billion, sixty-four million, seven hundred four thousand, twenty".