42136463428 has 12 divisors (see below), whose sum is σ = 73744019692. Its totient is φ = 21066743520.

The previous prime is 42136463417. The next prime is 42136463429. The reversal of 42136463428 is 82436463124.

It can be written as a sum of positive squares in 2 ways, for example, as 21693754944 + 20442708484 = 147288^2 + 142978^2 .

It is a super-2 number, since 2×42136463428² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42136463429) 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 in 3 ways as a sum of consecutive naturals, for example, 307083 + ... + 422578.

Almost surely, 2^42136463428 is an apocalyptic number.

It is an amenable number.

42136463428 is a deficient number, since it is larger than the sum of its proper divisors (31607556264).

42136463428 is a wasteful number, since it uses less digits than its factorization.

42136463428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744102 (or 744100 counting only the distinct ones).

The product of its digits is 663552, while the sum is 43.

The spelling of 42136463428 in words is "forty-two billion, one hundred thirty-six million, four hundred sixty-three thousand, four hundred twenty-eight".