380642944 has 32 divisors (see below), whose sum is σ = 827252640. Its totient is φ = 173018880.

The previous prime is 380642929. The next prime is 380642947. The reversal of 380642944 is 449246083.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 380642897 and 380642906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380642947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133764 + ... + 136579.

It is an arithmetic number, because the mean of its divisors is an integer number (25851645).

Almost surely, 2^380642944 is an apocalyptic number.

It is an amenable number.

380642944 is an abundant number, since it is smaller than the sum of its proper divisors (446609696).

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

380642944 is a wasteful number, since it uses less digits than its factorization.

380642944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270368 (or 270356 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 380642944 is about 19510.0728855635. The cubic root of 380642944 is about 724.7239180276.

The spelling of 380642944 in words is "three hundred eighty million, six hundred forty-two thousand, nine hundred forty-four".