442890565220 has 12 divisors (see below), whose sum is σ = 930070187004. Its totient is φ = 177156226080.

The previous prime is 442890565151. The next prime is 442890565289. The reversal of 442890565220 is 22565098244.

It is an interprime number because it is at equal distance from previous prime (442890565151) and next prime (442890565289).

It can be written as a sum of positive squares in 2 ways, for example, as 236512978276 + 206377586944 = 486326^2 + 454288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072264111 + ... + 11072264150.

It is an arithmetic number, because the mean of its divisors is an integer number (77505848917).

Almost surely, 2^442890565220 is an apocalyptic number.

It is an amenable number.

442890565220 is an abundant number, since it is smaller than the sum of its proper divisors (487179621784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442890565220 is a wasteful number, since it uses less digits than its factorization.

442890565220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22144528270 (or 22144528268 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 442890565220 in words is "four hundred forty-two billion, eight hundred ninety million, five hundred sixty-five thousand, two hundred twenty".