442450524 has 24 divisors (see below), whose sum is σ = 1034189968. Its totient is φ = 147225600.

The previous prime is 442450493. The next prime is 442450537. The reversal of 442450524 is 425054244.

It is a junction number, because it is equal to n+sod(n) for n = 442450491 and 442450500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25027 + ... + 38874.

Almost surely, 2^442450524 is an apocalyptic number.

It is an amenable number.

442450524 is an abundant number, since it is smaller than the sum of its proper divisors (591739444).

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

442450524 is a wasteful number, since it uses less digits than its factorization.

442450524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64485 (or 64483 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 442450524 is about 21034.5079333936. The cubic root of 442450524 is about 761.9998828886. Note that the first 3 decimals are identical.

The spelling of 442450524 in words is "four hundred forty-two million, four hundred fifty thousand, five hundred twenty-four".