42356928 has 112 divisors (see below), whose sum is σ = 125089920. Its totient is φ = 12570624.

The previous prime is 42356927. The next prime is 42356933. The reversal of 42356928 is 82965324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42356921) 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, 61675 + ... + 62357.

Almost surely, 2^42356928 is an apocalyptic number.

42356928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42356928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62544960).

42356928 is an abundant number, since it is smaller than the sum of its proper divisors (82732992).

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

42356928 is a wasteful number, since it uses less digits than its factorization.

42356928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 724 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 42356928 is about 6508.2200331581. The cubic root of 42356928 is about 348.5845638182.

The spelling of 42356928 in words is "forty-two million, three hundred fifty-six thousand, nine hundred twenty-eight".