42441928 has 16 divisors (see below), whose sum is σ = 84259980. Its totient is φ = 19972608.

The previous prime is 42441913. The next prime is 42441943. The reversal of 42441928 is 82914424.

It is an interprime number because it is at equal distance from previous prime (42441913) and next prime (42441943).

It can be written as a sum of positive squares in 2 ways, for example, as 41705764 + 736164 = 6458^2 + 858^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 42441893 and 42441902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155901 + ... + 156172.

Almost surely, 2^42441928 is an apocalyptic number.

It is an amenable number.

42441928 is a deficient number, since it is larger than the sum of its proper divisors (41818052).

42441928 is a wasteful number, since it uses less digits than its factorization.

42441928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312096 (or 312092 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 42441928 is about 6514.7469636203. The cubic root of 42441928 is about 348.8175826855.

The spelling of 42441928 in words is "forty-two million, four hundred forty-one thousand, nine hundred twenty-eight".