42248464642 has 8 divisors (see below), whose sum is σ = 63380790396. Its totient is φ = 21121534512.

The previous prime is 42248464627. The next prime is 42248464649. The reversal of 42248464642 is 24646484224.

It can be written as a sum of positive squares in 2 ways, for example, as 33940324441 + 8308140201 = 184229^2 + 91149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42248464592 and 42248464601.

It is not an unprimeable number, because it can be changed into a prime (42248464649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329273 + ... + 1360684.

Almost surely, 2^42248464642 is an apocalyptic number.

42248464642 is a deficient number, since it is larger than the sum of its proper divisors (21132325754).

42248464642 is a wasteful number, since it uses less digits than its factorization.

42248464642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697812.

The product of its digits is 2359296, while the sum is 46.

The spelling of 42248464642 in words is "forty-two billion, two hundred forty-eight million, four hundred sixty-four thousand, six hundred forty-two".