42144461512 has 8 divisors (see below), whose sum is σ = 79020865350. Its totient is φ = 21072230752.

The previous prime is 42144461503. The next prime is 42144461519. The reversal of 42144461512 is 21516444124.

It can be written as a sum of positive squares in only one way, i.e., 38775123396 + 3369338116 = 196914^2 + 58046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42144461512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144461519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634028837 + ... + 2634028852.

Almost surely, 2^42144461512 is an apocalyptic number.

It is an amenable number.

42144461512 is a deficient number, since it is larger than the sum of its proper divisors (36876403838).

42144461512 is a wasteful number, since it uses less digits than its factorization.

42144461512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268057695 (or 5268057691 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The spelling of 42144461512 in words is "forty-two billion, one hundred forty-four million, four hundred sixty-one thousand, five hundred twelve".