255029040016 has 45 divisors (see below), whose sum is σ = 497471922129. Its totient is φ = 126655003200.

The previous prime is 255029040011. The next prime is 255029040031. The reversal of 255029040016 is 610040920552.

It is a happy number.

The square root of 255029040016 is 505004.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 202496400016 + 52532640000 = 449996^2 + 229200^2 .

It is a super-2 number, since 2×255029040016² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255029040011) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 385822726 + ... + 385823386.

Almost surely, 2^255029040016 is an apocalyptic number.

255029040016 is the 505004-th square number.

It is an amenable number.

255029040016 is a deficient number, since it is larger than the sum of its proper divisors (242442882113).

255029040016 is an frugal number, since it uses more digits than its factorization.

255029040016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 255029040016 its reverse (610040920552), we get a palindrome (865069960568).

The spelling of 255029040016 in words is "two hundred fifty-five billion, twenty-nine million, forty thousand, sixteen".