442472516 has 12 divisors (see below), whose sum is σ = 781994220. Its totient is φ = 219045600.

The previous prime is 442472509. The next prime is 442472519. The reversal of 442472516 is 615274244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 373648900 + 68823616 = 19330^2 + 8296^2 .

It is not an unprimeable number, because it can be changed into a prime (442472519) 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, 547211 + ... + 548018.

It is an arithmetic number, because the mean of its divisors is an integer number (65166185).

Almost surely, 2^442472516 is an apocalyptic number.

It is an amenable number.

442472516 is a deficient number, since it is larger than the sum of its proper divisors (339521704).

442472516 is a wasteful number, since it uses less digits than its factorization.

442472516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095334 (or 1095332 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 442472516 is about 21035.0306869279. The cubic root of 442472516 is about 762.0125077456.

The spelling of 442472516 in words is "four hundred forty-two million, four hundred seventy-two thousand, five hundred sixteen".