381255360 has 224 divisors, whose sum is σ = 1306202112. Its totient is φ = 93941760.

The previous prime is 381255331. The next prime is 381255401. The reversal of 381255360 is 63552183.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684202 + ... + 684758.

Almost surely, 2^381255360 is an apocalyptic number.

381255360 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 381255360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653101056).

381255360 is an abundant number, since it is smaller than the sum of its proper divisors (924946752).

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

381255360 is a wasteful number, since it uses less digits than its factorization.

381255360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 381255360 is about 19525.7614448195. The cubic root of 381255360 is about 725.1123789333.

The spelling of 381255360 in words is "three hundred eighty-one million, two hundred fifty-five thousand, three hundred sixty".