381550112 has 24 divisors (see below), whose sum is σ = 752107356. Its totient is φ = 190538752.

The previous prime is 381550097. The next prime is 381550121. The reversal of 381550112 is 211055183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 341658256 + 39891856 = 18484^2 + 6316^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20468 + ... + 34380.

Almost surely, 2^381550112 is an apocalyptic number.

381550112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381550112 is a deficient number, since it is larger than the sum of its proper divisors (370557244).

381550112 is a wasteful number, since it uses less digits than its factorization.

381550112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14780 (or 14772 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 381550112 is about 19533.3077588001. The cubic root of 381550112 is about 725.2991944657.

The spelling of 381550112 in words is "three hundred eighty-one million, five hundred fifty thousand, one hundred twelve".