442868762 has 36 divisors (see below), whose sum is σ = 794451294. Its totient is φ = 184615200.

The previous prime is 442868753. The next prime is 442868779. The reversal of 442868762 is 267868244.

It can be written as a sum of positive squares in 3 ways, for example, as 438944401 + 3924361 = 20951^2 + 1981^2 .

It is a super-2 number, since 2×442868762² = 392265480710825288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 132512 + ... + 135812.

Almost surely, 2^442868762 is an apocalyptic number.

442868762 is a deficient number, since it is larger than the sum of its proper divisors (351582532).

442868762 is a wasteful number, since it uses less digits than its factorization.

442868762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3347 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The square root of 442868762 is about 21044.4472961397. The cubic root of 442868762 is about 762.2399074213.

The spelling of 442868762 in words is "four hundred forty-two million, eight hundred sixty-eight thousand, seven hundred sixty-two".