455502217520 has 320 divisors, whose sum is σ = 1323234164736. Its totient is φ = 142397291520.

The previous prime is 455502217517. The next prime is 455502217523. The reversal of 455502217520 is 25712205554.

It is an interprime number because it is at equal distance from previous prime (455502217517) and next prime (455502217523).

It is not an unprimeable number, because it can be changed into a prime (455502217523) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 26743247 + ... + 26760273.

Almost surely, 2^455502217520 is an apocalyptic number.

455502217520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455502217520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661617082368).

455502217520 is an abundant number, since it is smaller than the sum of its proper divisors (867731947216).

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

455502217520 is a wasteful number, since it uses less digits than its factorization.

455502217520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168 (or 17162 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 455502217520 in words is "four hundred fifty-five billion, five hundred two million, two hundred seventeen thousand, five hundred twenty".