455007420 has 144 divisors (see below), whose sum is σ = 1592310720. Its totient is φ = 103016448.

The previous prime is 455007403. The next prime is 455007433. The reversal of 455007420 is 24700554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135684 + ... + 138996.

Almost surely, 2^455007420 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 455007420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796155360).

455007420 is an abundant number, since it is smaller than the sum of its proper divisors (1137303300).

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

455007420 is a wasteful number, since it uses less digits than its factorization.

455007420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 455007420 is about 21330.9029344751. The cubic root of 455007420 is about 769.1413490262.

Adding to 455007420 its reverse (24700554), we get a palindrome (479707974).

The spelling of 455007420 in words is "four hundred fifty-five million, seven thousand, four hundred twenty".