512165322042 has 32 divisors (see below), whose sum is σ = 1117754403264. Its totient is φ = 155159558400.

The previous prime is 512165322013. The next prime is 512165322059. The reversal of 512165322042 is 240223561215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 512165321994 and 512165322012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805509 + ... + 1293512.

It is an arithmetic number, because the mean of its divisors is an integer number (34929825102).

Almost surely, 2^512165322042 is an apocalyptic number.

512165322042 is an abundant number, since it is smaller than the sum of its proper divisors (605589081222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512165322042 is a wasteful number, since it uses less digits than its factorization.

512165322042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102734.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 512165322042 its reverse (240223561215), we get a palindrome (752388883257).

The spelling of 512165322042 in words is "five hundred twelve billion, one hundred sixty-five million, three hundred twenty-two thousand, forty-two".