42815432050 has 12 divisors (see below), whose sum is σ = 79636703706. Its totient is φ = 17126172800.

The previous prime is 42815431999. The next prime is 42815432053. The reversal of 42815432050 is 5023451824.

It can be written as a sum of positive squares in 3 ways, for example, as 16040982409 + 26774449641 = 126653^2 + 163629^2 .

It is a super-2 number, since 2×42815432050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42815431997 and 42815432015.

It is not an unprimeable number, because it can be changed into a prime (42815432053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428154271 + ... + 428154370.

Almost surely, 2^42815432050 is an apocalyptic number.

42815432050 is a deficient number, since it is larger than the sum of its proper divisors (36821271656).

42815432050 is a wasteful number, since it uses less digits than its factorization.

42815432050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856308653 (or 856308648 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 42815432050 its reverse (5023451824), we get a palindrome (47838883874).

The spelling of 42815432050 in words is "forty-two billion, eight hundred fifteen million, four hundred thirty-two thousand, fifty".