42000448 has 84 divisors (see below), whose sum is σ = 99029520. Its totient is φ = 17617152.

The previous prime is 42000419. The next prime is 42000457. The reversal of 42000448 is 84400024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184911 + ... + 185137.

Almost surely, 2^42000448 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 42000448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49514760).

42000448 is an abundant number, since it is smaller than the sum of its proper divisors (57029072).

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

42000448 is a wasteful number, since it uses less digits than its factorization.

42000448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 42000448 is about 6480.7752622661. The cubic root of 42000448 is about 347.6039004048.

The spelling of 42000448 in words is "forty-two million, four hundred forty-eight", and thus it is an aban number.