438558425088 has 128 divisors (see below), whose sum is σ = 1336540712640. Its totient is φ = 125302210560.

The previous prime is 438558425083. The next prime is 438558425131. The reversal of 438558425088 is 880524855834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×438558425088³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (438558425083) 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, 369468 + ... + 1006788.

Almost surely, 2^438558425088 is an apocalyptic number.

438558425088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438558425088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668270356320).

438558425088 is an abundant number, since it is smaller than the sum of its proper divisors (897982287552).

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

438558425088 is an frugal number, since it uses more digits than its factorization.

438558425088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637361 (or 637333 counting only the distinct ones).

The product of its (nonzero) digits is 49152000, while the sum is 60.

The spelling of 438558425088 in words is "four hundred thirty-eight billion, five hundred fifty-eight million, four hundred twenty-five thousand, eighty-eight".