442006659 has 32 divisors (see below), whose sum is σ = 677376000. Its totient is φ = 284686272.

The previous prime is 442006657. The next prime is 442006693. The reversal of 442006659 is 956600244.

It is not a de Polignac number, because 442006659 - 2¹ = 442006657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442006657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98047 + ... + 102455.

It is an arithmetic number, because the mean of its divisors is an integer number (21168000).

Almost surely, 2^442006659 is an apocalyptic number.

442006659 is a deficient number, since it is larger than the sum of its proper divisors (235369341).

442006659 is a wasteful number, since it uses less digits than its factorization.

442006659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4538 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 442006659 is about 21023.9544091971. The cubic root of 442006659 is about 761.7449856554.

The spelling of 442006659 in words is "four hundred forty-two million, six thousand, six hundred fifty-nine".