381074544 has 140 divisors (see below), whose sum is σ = 1138197736. Its totient is φ = 123451776.

The previous prime is 381074531. The next prime is 381074579. The reversal of 381074544 is 445470183.

381074544 is a `hidden beast` number, since 3 + 8 + 107 + 4 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 381074499 and 381074508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 431127 + ... + 432009.

Almost surely, 2^381074544 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 381074544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569098868).

381074544 is an abundant number, since it is smaller than the sum of its proper divisors (757123192).

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

381074544 is an equidigital number, since it uses as much as digits as its factorization.

381074544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 381074544 is about 19521.1307049566. The cubic root of 381074544 is about 724.9977290456.

The spelling of 381074544 in words is "three hundred eighty-one million, seventy-four thousand, five hundred forty-four".