442114628 has 48 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 206317440.

The previous prime is 442114627. The next prime is 442114633. The reversal of 442114628 is 826411244.

It is a junction number, because it is equal to n+sod(n) for n = 442114594 and 442114603.

It is not an unprimeable number, because it can be changed into a prime (442114627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025573 + ... + 1026003.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2^442114628 is an apocalyptic number.

It is an amenable number.

442114628 is a deficient number, since it is larger than the sum of its proper divisors (385251772).

442114628 is a wasteful number, since it uses less digits than its factorization.

442114628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 442114628 is about 21026.5220138757. The cubic root of 442114628 is about 761.8070044410.

The spelling of 442114628 in words is "four hundred forty-two million, one hundred fourteen thousand, six hundred twenty-eight".