738222698880 has 640 divisors, whose sum is σ = 2859627576960. Its totient is φ = 180751564800.

The previous prime is 738222698869. The next prime is 738222698893. The reversal of 738222698880 is 88896222837.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36122265 + ... + 36142695.

It is an arithmetic number, because the mean of its divisors is an integer number (4468168089).

Almost surely, 2^738222698880 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 738222698880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429813788480).

738222698880 is an abundant number, since it is smaller than the sum of its proper divisors (2121404878080).

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

738222698880 is a wasteful number, since it uses less digits than its factorization.

738222698880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520 (or 20499 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 738222698880 in words is "seven hundred thirty-eight billion, two hundred twenty-two million, six hundred ninety-eight thousand, eight hundred eighty".