42272448 has 28 divisors (see below), whose sum is σ = 111846360. Its totient is φ = 14090752.

The previous prime is 42272443. The next prime is 42272449. The reversal of 42272448 is 84427224.

It is not an unprimeable number, because it can be changed into a prime (42272443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109893 + ... + 110276.

Almost surely, 2^42272448 is an apocalyptic number.

42272448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42272448 is an abundant number, since it is smaller than the sum of its proper divisors (69573912).

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

42272448 is a wasteful number, since it uses less digits than its factorization.

42272448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220184 (or 220174 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 42272448 is about 6501.7265399277. The cubic root of 42272448 is about 348.3526613869.

The spelling of 42272448 in words is "forty-two million, two hundred seventy-two thousand, four hundred forty-eight".