420544201255 has 8 divisors (see below), whose sum is σ = 506818935792. Its totient is φ = 334991431488.

The previous prime is 420544201243. The next prime is 420544201309. The reversal of 420544201255 is 552102445024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420544201255 - 2¹³ = 420544193063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420544201255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180489909 + ... + 180492238.

It is an arithmetic number, because the mean of its divisors is an integer number (63352366974).

Almost surely, 2^420544201255 is an apocalyptic number.

420544201255 is a deficient number, since it is larger than the sum of its proper divisors (86274734537).

420544201255 is a wasteful number, since it uses less digits than its factorization.

420544201255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360982385.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 420544201255 its reverse (552102445024), we get a palindrome (972646646279).

The spelling of 420544201255 in words is "four hundred twenty billion, five hundred forty-four million, two hundred one thousand, two hundred fifty-five".