442808524731 has 16 divisors (see below), whose sum is σ = 603067705344. Its totient is φ = 288879480384.

The previous prime is 442808524703. The next prime is 442808524733. The reversal of 442808524731 is 137425808244.

It is not a de Polignac number, because 442808524731 - 2⁵ = 442808524699 is a prime.

It is a super-2 number, since 2×442808524731² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442808524733) 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, 670110 + ... + 1155276.

It is an arithmetic number, because the mean of its divisors is an integer number (37691731584).

Almost surely, 2^442808524731 is an apocalyptic number.

442808524731 is a deficient number, since it is larger than the sum of its proper divisors (160259180613).

442808524731 is a wasteful number, since it uses less digits than its factorization.

442808524731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491690.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 442808524731 in words is "four hundred forty-two billion, eight hundred eight million, five hundred twenty-four thousand, seven hundred thirty-one".