42454442132 has 6 divisors (see below), whose sum is σ = 74295273738. Its totient is φ = 21227221064.

The previous prime is 42454442131. The next prime is 42454442189. The reversal of 42454442132 is 23124445424.

It can be written as a sum of positive squares in only one way, i.e., 41458660996 + 995781136 = 203614^2 + 31556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42454442092 and 42454442101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454442131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5306805263 + ... + 5306805270.

It is an arithmetic number, because the mean of its divisors is an integer number (12382545623).

Almost surely, 2^42454442132 is an apocalyptic number.

It is an amenable number.

42454442132 is a deficient number, since it is larger than the sum of its proper divisors (31840831606).

42454442132 is a wasteful number, since it uses less digits than its factorization.

42454442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613610537 (or 10613610535 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 42454442132 its reverse (23124445424), we get a palindrome (65578887556).

The spelling of 42454442132 in words is "forty-two billion, four hundred fifty-four million, four hundred forty-two thousand, one hundred thirty-two".