381173022630 has 192 divisors, whose sum is σ = 1021923302400. Its totient is φ = 98543278080.

The previous prime is 381173022611. The next prime is 381173022647. The reversal of 381173022630 is 36220371183.

381173022630 is a `hidden beast` number, since 3 + 8 + 1 + 17 + 3 + 0 + 2 + 2 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90344661 + ... + 90348879.

It is an arithmetic number, because the mean of its divisors is an integer number (5322517200).

Almost surely, 2^381173022630 is an apocalyptic number.

381173022630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 381173022630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510961651200).

381173022630 is an abundant number, since it is smaller than the sum of its proper divisors (640750279770).

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

381173022630 is a wasteful number, since it uses less digits than its factorization.

381173022630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 381173022630 in words is "three hundred eighty-one billion, one hundred seventy-three million, twenty-two thousand, six hundred thirty".