442886260 has 24 divisors (see below), whose sum is σ = 962133480. Its totient is φ = 171045504.

The previous prime is 442886239. The next prime is 442886267. The reversal of 442886260 is 62688244.

It can be written as a sum of positive squares in 4 ways, for example, as 2390116 + 440496144 = 1546^2 + 20988^2 .

It is a super-2 number, since 2×442886260² = 392296478593575200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442886267) 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, 381219 + ... + 382378.

It is an arithmetic number, because the mean of its divisors is an integer number (40088895).

Almost surely, 2^442886260 is an apocalyptic number.

It is an amenable number.

442886260 is an abundant number, since it is smaller than the sum of its proper divisors (519247220).

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

442886260 is a wasteful number, since it uses less digits than its factorization.

442886260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763635 (or 763633 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 442886260 is about 21044.8630311532. The cubic root of 442886260 is about 762.2499461351.

The spelling of 442886260 in words is "four hundred forty-two million, eight hundred eighty-six thousand, two hundred sixty".