512221544255432 has 64 divisors (see below), whose sum is σ = 1049351852413440. Its totient is φ = 232466700211200.

The previous prime is 512221544255431. The next prime is 512221544255453. The reversal of 512221544255432 is 234552445122215.

It is not an unprimeable number, because it can be changed into a prime (512221544255431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814745033 + ... + 815373479.

It is an arithmetic number, because the mean of its divisors is an integer number (16396122693960).

Almost surely, 2^{512221544255432} is an apocalyptic number.

It is an amenable number.

512221544255432 is an abundant number, since it is smaller than the sum of its proper divisors (537130308158008).

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

512221544255432 is a wasteful number, since it uses less digits than its factorization.

512221544255432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642822 (or 642818 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 47.

Adding to 512221544255432 its reverse (234552445122215), we get a palindrome (746773989377647).

The spelling of 512221544255432 in words is "five hundred twelve trillion, two hundred twenty-one billion, five hundred forty-four million, two hundred fifty-five thousand, four hundred thirty-two".