442443123031132 has 6 divisors (see below), whose sum is σ = 774275465304488. Its totient is φ = 221221561515564.

The previous prime is 442443123031099. The next prime is 442443123031157. The reversal of 442443123031132 is 231130321344244.

It is a super-2 number, since 2×442443123031132² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442443123031091 and 442443123031100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55305390378888 + ... + 55305390378895.

Almost surely, 2^{442443123031132} is an apocalyptic number.

It is an amenable number.

442443123031132 is a deficient number, since it is larger than the sum of its proper divisors (331832342273356).

442443123031132 is a wasteful number, since it uses less digits than its factorization.

442443123031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110610780757787 (or 110610780757785 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 442443123031132 its reverse (231130321344244), we get a palindrome (673573444375376).

The spelling of 442443123031132 in words is "four hundred forty-two trillion, four hundred forty-three billion, one hundred twenty-three million, thirty-one thousand, one hundred thirty-two".