455555344000 has 128 divisors (see below), whose sum is σ = 1135675878480. Its totient is φ = 181731225600.

The previous prime is 455555343979. The next prime is 455555344033. The reversal of 455555344000 is 443555554.

It can be written as a sum of positive squares in 8 ways, for example, as 1354828864 + 454200515136 = 36808^2 + 673944^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929834 + ... + 6006166.

Almost surely, 2^455555344000 is an apocalyptic number.

455555344000 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 455555344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567837939240).

455555344000 is an abundant number, since it is smaller than the sum of its proper divisors (680120534480).

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

455555344000 is an equidigital number, since it uses as much as digits as its factorization.

455555344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76735 (or 76713 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

Adding to 455555344000 its reverse (443555554), we get a palindrome (455998899554).

The spelling of 455555344000 in words is "four hundred fifty-five billion, five hundred fifty-five million, three hundred forty-four thousand".