442420120132 has 24 divisors (see below), whose sum is σ = 775854647064. Its totient is φ = 220747767552.

The previous prime is 442420120069. The next prime is 442420120141. The reversal of 442420120132 is 231021024244.

It can be written as a sum of positive squares in 4 ways, for example, as 330413433856 + 112006686276 = 574816^2 + 334674^2 .

It is a super-2 number, since 2×442420120132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442420120097 and 442420120106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4437858 + ... + 4536454.

It is an arithmetic number, because the mean of its divisors is an integer number (32327276961).

Almost surely, 2^442420120132 is an apocalyptic number.

It is an amenable number.

442420120132 is a deficient number, since it is larger than the sum of its proper divisors (333434526932).

442420120132 is a wasteful number, since it uses less digits than its factorization.

442420120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100935 (or 100933 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 442420120132 its reverse (231021024244), we get a palindrome (673441144376).

The spelling of 442420120132 in words is "four hundred forty-two billion, four hundred twenty million, one hundred twenty thousand, one hundred thirty-two".