255421450030 has 16 divisors (see below), whose sum is σ = 459888806304. Its totient is φ = 102139647520.

The previous prime is 255421450013. The next prime is 255421450033. The reversal of 255421450030 is 30054124552.

It is a junction number, because it is equal to n+sod(n) for n = 255421449974 and 255421450001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255421450033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579466 + ... + 3650125.

It is an arithmetic number, because the mean of its divisors is an integer number (28743050394).

Almost surely, 2^255421450030 is an apocalyptic number.

255421450030 is a deficient number, since it is larger than the sum of its proper divisors (204467356274).

255421450030 is a wasteful number, since it uses less digits than its factorization.

255421450030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233131.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 255421450030 its reverse (30054124552), we get a palindrome (285475574582).

The spelling of 255421450030 in words is "two hundred fifty-five billion, four hundred twenty-one million, four hundred fifty thousand, thirty".