381053448 has 48 divisors (see below), whose sum is σ = 1033266780. Its totient is φ = 126864384.

The previous prime is 381053437. The next prime is 381053537. The reversal of 381053448 is 844350183.

381053448 is a `hidden beast` number, since 3 + 81 + 0 + 534 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 380952324 + 101124 = 19518^2 + 318^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67636 + ... + 73052.

Almost surely, 2^381053448 is an apocalyptic number.

It is an amenable number.

381053448 is an abundant number, since it is smaller than the sum of its proper divisors (652213332).

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

381053448 is a wasteful number, since it uses less digits than its factorization.

381053448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6399 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 381053448 is about 19520.5903599251. The cubic root of 381053448 is about 724.9843503558.

It can be divided in two parts, 381053 and 448, that added together give a triangular number (381501 = T₈₇₃).

The spelling of 381053448 in words is "three hundred eighty-one million, fifty-three thousand, four hundred forty-eight".