438769748388 has 96 divisors (see below), whose sum is σ = 1085790384000. Its totient is φ = 137517640704.

The previous prime is 438769748371. The next prime is 438769748399. The reversal of 438769748388 is 883847967834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48677370 + ... + 48686382.

It is an arithmetic number, because the mean of its divisors is an integer number (11310316500).

Almost surely, 2^438769748388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438769748388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542895192000).

438769748388 is an abundant number, since it is smaller than the sum of its proper divisors (647020635612).

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

438769748388 is a wasteful number, since it uses less digits than its factorization.

438769748388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10619 counting only the distinct ones).

The product of its digits is 1560674304, while the sum is 75.

The spelling of 438769748388 in words is "four hundred thirty-eight billion, seven hundred sixty-nine million, seven hundred forty-eight thousand, three hundred eighty-eight".