442771248 has 40 divisors (see below), whose sum is σ = 1145028400. Its totient is φ = 147435264.

The previous prime is 442771201. The next prime is 442771249. The reversal of 442771248 is 842177244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442771249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46998 + ... + 55626.

It is an arithmetic number, because the mean of its divisors is an integer number (28625710).

Almost surely, 2^442771248 is an apocalyptic number.

442771248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

442771248 is an abundant number, since it is smaller than the sum of its proper divisors (702257152).

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

442771248 is a wasteful number, since it uses less digits than its factorization.

442771248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709 (or 9703 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 442771248 is about 21042.1303104035. The cubic root of 442771248 is about 762.1839581764.

The spelling of 442771248 in words is "four hundred forty-two million, seven hundred seventy-one thousand, two hundred forty-eight".