42328641 has 8 divisors (see below), whose sum is σ = 57750880. Its totient is φ = 27562752.

The previous prime is 42328639. The next prime is 42328651. The reversal of 42328641 is 14682324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42328641 - 2¹ = 42328639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42328599 and 42328608.

It is not an unprimeable number, because it can be changed into a prime (42328631) 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, 163936 + ... + 164193.

It is an arithmetic number, because the mean of its divisors is an integer number (7218860).

Almost surely, 2^42328641 is an apocalyptic number.

It is an amenable number.

42328641 is a deficient number, since it is larger than the sum of its proper divisors (15422239).

42328641 is a wasteful number, since it uses less digits than its factorization.

42328641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328175.

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

The square root of 42328641 is about 6506.0464953764. The cubic root of 42328641 is about 348.5069487515.

The spelling of 42328641 in words is "forty-two million, three hundred twenty-eight thousand, six hundred forty-one".