455105420 has 96 divisors (see below), whose sum is σ = 1230114816. Its totient is φ = 137260800.

The previous prime is 455105407. The next prime is 455105437. The reversal of 455105420 is 24501554.

It is a self number, because there is not a number n which added to its sum of digits gives 455105420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42974 + ... + 52506.

It is an arithmetic number, because the mean of its divisors is an integer number (12813696).

Almost surely, 2^455105420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455105420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615057408).

455105420 is an abundant number, since it is smaller than the sum of its proper divisors (775009396).

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

455105420 is a wasteful number, since it uses less digits than its factorization.

455105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 455105420 is about 21333.1999474997. The cubic root of 455105420 is about 769.1965645663.

Adding to 455105420 its reverse (24501554), we get a palindrome (479606974).

The spelling of 455105420 in words is "four hundred fifty-five million, one hundred five thousand, four hundred twenty".