382440428 has 24 divisors (see below), whose sum is σ = 699202560. Its totient is φ = 182817360.

The previous prime is 382440427. The next prime is 382440431. The reversal of 382440428 is 824044283.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (382440427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8288 + ... + 28871.

It is an arithmetic number, because the mean of its divisors is an integer number (29133440).

Almost surely, 2^382440428 is an apocalyptic number.

It is an amenable number.

382440428 is a deficient number, since it is larger than the sum of its proper divisors (316762132).

382440428 is a wasteful number, since it uses less digits than its factorization.

382440428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37277 (or 37275 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 382440428 is about 19556.0841683605. The cubic root of 382440428 is about 725.8628983695.

The spelling of 382440428 in words is "three hundred eighty-two million, four hundred forty thousand, four hundred twenty-eight".