381475770000 has 800 divisors, whose sum is σ = 1384884695040. Its totient is φ = 89821440000.

The previous prime is 381475769981. The next prime is 381475770007. The reversal of 381475770000 is 77574183.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (381475770007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1680509887 + ... + 1680510113.

Almost surely, 2^381475770000 is an apocalyptic number.

381475770000 is a gapful number since it is divisible by the number (30) 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 381475770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692442347520).

381475770000 is an abundant number, since it is smaller than the sum of its proper divisors (1003408925040).

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

381475770000 is a wasteful number, since it uses less digits than its factorization.

381475770000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 381475770000 in words is "three hundred eighty-one billion, four hundred seventy-five million, seven hundred seventy thousand".