381140488 has 32 divisors (see below), whose sum is σ = 728451360. Its totient is φ = 186912000.

The previous prime is 381140471. The next prime is 381140489. The reversal of 381140488 is 884041183.

It is not an unprimeable number, because it can be changed into a prime (381140489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133120 + ... + 135952.

It is an arithmetic number, because the mean of its divisors is an integer number (22764105).

Almost surely, 2^381140488 is an apocalyptic number.

It is an amenable number.

381140488 is a deficient number, since it is larger than the sum of its proper divisors (347310872).

381140488 is a wasteful number, since it uses less digits than its factorization.

381140488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 381140488 is about 19522.8196733976. The cubic root of 381140488 is about 725.0395463169.

The spelling of 381140488 in words is "three hundred eighty-one million, one hundred forty thousand, four hundred eighty-eight".