442681030 has 32 divisors (see below), whose sum is σ = 870313248. Its totient is φ = 160780800.

The previous prime is 442681021. The next prime is 442681033. The reversal of 442681030 is 30186244.

It is a self number, because there is not a number n which added to its sum of digits gives 442681030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442681033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114814 + ... + 118606.

It is an arithmetic number, because the mean of its divisors is an integer number (27197289).

Almost surely, 2^442681030 is an apocalyptic number.

442681030 is a deficient number, since it is larger than the sum of its proper divisors (427632218).

442681030 is a wasteful number, since it uses less digits than its factorization.

442681030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 442681030 is about 21039.9864543683. The cubic root of 442681030 is about 762.1321877393.

It can be divided in two parts, 442 and 681030, that added together give a cube (681472 = 88³).

The spelling of 442681030 in words is "four hundred forty-two million, six hundred eighty-one thousand, thirty".