42328944 has 120 divisors (see below), whose sum is σ = 138309600. Its totient is φ = 12079872.

The previous prime is 42328939. The next prime is 42328967. The reversal of 42328944 is 44982324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42328899 and 42328908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48964 + ... + 49820.

It is an arithmetic number, because the mean of its divisors is an integer number (1152580).

Almost surely, 2^42328944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42328944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69154800).

42328944 is an abundant number, since it is smaller than the sum of its proper divisors (95980656).

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

42328944 is a wasteful number, since it uses less digits than its factorization.

42328944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 869 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42328944 is about 6506.0697813657. The cubic root of 42328944 is about 348.5077803189.

The spelling of 42328944 in words is "forty-two million, three hundred twenty-eight thousand, nine hundred forty-four".