442042516 has 12 divisors (see below), whose sum is σ = 798528640. Its totient is φ = 213891480.

The previous prime is 442042499. The next prime is 442042519. The reversal of 442042516 is 615240244.

It is a super-2 number, since 2×442042516² = 390803171903220512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442042519) 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 3 ways as a sum of consecutive naturals, for example, 1782306 + ... + 1782553.

Almost surely, 2^442042516 is an apocalyptic number.

It is an amenable number.

442042516 is a deficient number, since it is larger than the sum of its proper divisors (356486124).

442042516 is a wasteful number, since it uses less digits than its factorization.

442042516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564894 (or 3564892 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 442042516 is about 21024.8071572607. The cubic root of 442042516 is about 761.7655834985.

The spelling of 442042516 in words is "four hundred forty-two million, forty-two thousand, five hundred sixteen".