381963534080 has 144 divisors (see below), whose sum is σ = 934133378304. Its totient is φ = 149600010240.

The previous prime is 381963534061. The next prime is 381963534103. The reversal of 381963534080 is 80435369183.

It is a super-2 number, since 2×381963534080² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17400872 + ... + 17422808.

Almost surely, 2^381963534080 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 381963534080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467066689152).

381963534080 is an abundant number, since it is smaller than the sum of its proper divisors (552169844224).

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

381963534080 is a wasteful number, since it uses less digits than its factorization.

381963534080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242 (or 22228 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 381963534080 in words is "three hundred eighty-one billion, nine hundred sixty-three million, five hundred thirty-four thousand, eighty".