442487529 has 40 divisors (see below), whose sum is σ = 731076192. Its totient is φ = 264461760.

The previous prime is 442487491. The next prime is 442487533. The reversal of 442487529 is 925784244.

442487529 is a `hidden beast` number, since 4 + 42 + 4 + 87 + 529 = 666.

It is not a de Polignac number, because 442487529 - 2²⁵ = 408933097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442487579) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61642 + ... + 68444.

Almost surely, 2^442487529 is an apocalyptic number.

It is an amenable number.

442487529 is a deficient number, since it is larger than the sum of its proper divisors (288588663).

442487529 is a wasteful number, since it uses less digits than its factorization.

442487529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899 (or 6890 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 442487529 is about 21035.3875409986. The cubic root of 442487529 is about 762.0211259565.

The spelling of 442487529 in words is "four hundred forty-two million, four hundred eighty-seven thousand, five hundred twenty-nine".