442130771 has 4 divisors (see below), whose sum is σ = 461353872. Its totient is φ = 422907672.

The previous prime is 442130761. The next prime is 442130807. The reversal of 442130771 is 177031244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442130771 - 2⁶ = 442130707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442130761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9611516 + ... + 9611561.

It is an arithmetic number, because the mean of its divisors is an integer number (115338468).

Almost surely, 2^442130771 is an apocalyptic number.

442130771 is a deficient number, since it is larger than the sum of its proper divisors (19223101).

442130771 is a wasteful number, since it uses less digits than its factorization.

442130771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223100.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 442130771 is about 21026.9058827018. The cubic root of 442130771 is about 761.8162763206.

The spelling of 442130771 in words is "four hundred forty-two million, one hundred thirty thousand, seven hundred seventy-one".