438995563380 has 384 divisors, whose sum is σ = 1531476979200. Its totient is φ = 103494758400.

The previous prime is 438995563373. The next prime is 438995563423. The reversal of 438995563380 is 83365599834.

438995563380 is a `hidden beast` number, since 4 + 38 + 9 + 9 + 5 + 563 + 38 + 0 = 666.

438995563380 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32241454 + ... + 32255066.

It is an arithmetic number, because the mean of its divisors is an integer number (3988221300).

Almost surely, 2^438995563380 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 438995563380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765738489600).

438995563380 is an abundant number, since it is smaller than the sum of its proper divisors (1092481415820).

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

438995563380 is a wasteful number, since it uses less digits than its factorization.

438995563380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792 (or 13784 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 438995563380 in words is "four hundred thirty-eight billion, nine hundred ninety-five million, five hundred sixty-three thousand, three hundred eighty".