442552811 has 8 divisors (see below), whose sum is σ = 457839648. Its totient is φ = 427480000.

The previous prime is 442552793. The next prime is 442552829. The reversal of 442552811 is 118255244.

It is an interprime number because it is at equal distance from previous prime (442552793) and next prime (442552829).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442552811 - 2¹⁴ = 442536427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442552841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49295 + ... + 57576.

It is an arithmetic number, because the mean of its divisors is an integer number (57229956).

Almost surely, 2^442552811 is an apocalyptic number.

442552811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

442552811 is a deficient number, since it is larger than the sum of its proper divisors (15286837).

442552811 is a wasteful number, since it uses less digits than its factorization.

442552811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107013.

The product of its digits is 12800, while the sum is 32.

The square root of 442552811 is about 21036.9392022699. The cubic root of 442552811 is about 762.0585988145.

The spelling of 442552811 in words is "four hundred forty-two million, five hundred fifty-two thousand, eight hundred eleven".