381450441 has 16 divisors (see below), whose sum is σ = 538341440. Its totient is φ = 239578560.

The previous prime is 381450431. The next prime is 381450499. The reversal of 381450441 is 144054183.

It is not a de Polignac number, because 381450441 - 2⁵ = 381450409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381450399 and 381450408.

It is not an unprimeable number, because it can be changed into a prime (381450401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8170 + ... + 28803.

It is an arithmetic number, because the mean of its divisors is an integer number (33646340).

Almost surely, 2^381450441 is an apocalyptic number.

It is an amenable number.

381450441 is a deficient number, since it is larger than the sum of its proper divisors (156890999).

381450441 is a wasteful number, since it uses less digits than its factorization.

381450441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37176.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 381450441 is about 19530.7562833598. The cubic root of 381450441 is about 725.2360331757.

The spelling of 381450441 in words is "three hundred eighty-one million, four hundred fifty thousand, four hundred forty-one".