42328380 has 48 divisors (see below), whose sum is σ = 118863360. Its totient is φ = 11254848.

The previous prime is 42328379. The next prime is 42328387. The reversal of 42328380 is 8382324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42328387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25537 + ... + 27143.

It is an arithmetic number, because the mean of its divisors is an integer number (2476320).

Almost surely, 2^42328380 is an apocalyptic number.

It is an amenable number.

42328380 is an abundant number, since it is smaller than the sum of its proper divisors (76534980).

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

42328380 is a wasteful number, since it uses less digits than its factorization.

42328380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42328380 is about 6506.0264370812. The cubic root of 42328380 is about 348.5062324477.

The spelling of 42328380 in words is "forty-two million, three hundred twenty-eight thousand, three hundred eighty".