255404405214 has 96 divisors (see below), whose sum is σ = 673031975616. Its totient is φ = 68331432960.

The previous prime is 255404405213. The next prime is 255404405219. The reversal of 255404405214 is 412504404552.

255404405214 is a `hidden beast` number, since 2 + 55 + 40 + 4 + 40 + 521 + 4 = 666.

It is a super-2 number, since 2×255404405214² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255404405213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119344 + ... + 724604.

It is an arithmetic number, because the mean of its divisors is an integer number (7010749746).

Almost surely, 2^255404405214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255404405214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336515987808).

255404405214 is an abundant number, since it is smaller than the sum of its proper divisors (417627570402).

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

255404405214 is a wasteful number, since it uses less digits than its factorization.

255404405214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605490 (or 605487 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 255404405214 its reverse (412504404552), we get a palindrome (667908809766).

The spelling of 255404405214 in words is "two hundred fifty-five billion, four hundred four million, four hundred five thousand, two hundred fourteen".