442406024 has 16 divisors (see below), whose sum is σ = 836044800. Its totient is φ = 219460752.

The previous prime is 442406023. The next prime is 442406047. The reversal of 442406024 is 420604244.

It is a junction number, because it is equal to n+sod(n) for n = 442405984 and 442406002.

It is not an unprimeable number, because it can be changed into a prime (442406023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216704 + ... + 218735.

It is an arithmetic number, because the mean of its divisors is an integer number (52252800).

Almost surely, 2^442406024 is an apocalyptic number.

It is an amenable number.

442406024 is a deficient number, since it is larger than the sum of its proper divisors (393638776).

442406024 is a wasteful number, since it uses less digits than its factorization.

442406024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435572 (or 435568 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442406024 is about 21033.4501211760. The cubic root of 442406024 is about 761.9743356769.

The spelling of 442406024 in words is "four hundred forty-two million, four hundred six thousand, twenty-four".