442030277 has 16 divisors (see below), whose sum is σ = 504811440. Its totient is φ = 383434752.

The previous prime is 442030249. The next prime is 442030279. The reversal of 442030277 is 772030244.

It can be written as a sum of positive squares in 8 ways, for example, as 151634596 + 290395681 = 12314^2 + 17041^2 .

It is a cyclic number.

It is not a de Polignac number, because 442030277 - 2¹² = 442026181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442030279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204233 + ... + 206385.

It is an arithmetic number, because the mean of its divisors is an integer number (31550715).

Almost surely, 2^442030277 is an apocalyptic number.

It is an amenable number.

442030277 is a deficient number, since it is larger than the sum of its proper divisors (62781163).

442030277 is a wasteful number, since it uses less digits than its factorization.

442030277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 442030277 is about 21024.5160943124. The cubic root of 442030277 is about 761.7585530020.

The spelling of 442030277 in words is "four hundred forty-two million, thirty thousand, two hundred seventy-seven".