42965440052 has 24 divisors (see below), whose sum is σ = 75544428960. Its totient is φ = 21381444000.

The previous prime is 42965440051. The next prime is 42965440073. The reversal of 42965440052 is 25004456924.

It is a junction number, because it is equal to n+sod(n) for n = 42965439991 and 42965440009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42965440051) 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 in 7 ways as a sum of consecutive naturals, for example, 1419743 + ... + 1449689.

It is an arithmetic number, because the mean of its divisors is an integer number (3147684540).

Almost surely, 2^42965440052 is an apocalyptic number.

It is an amenable number.

42965440052 is a deficient number, since it is larger than the sum of its proper divisors (32578988908).

42965440052 is a wasteful number, since it uses less digits than its factorization.

42965440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31631 (or 31629 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 42965440052 its reverse (25004456924), we get a palindrome (67969896976).

The spelling of 42965440052 in words is "forty-two billion, nine hundred sixty-five million, four hundred forty thousand, fifty-two".