455779785216 has 160 divisors (see below), whose sum is σ = 1392158896128. Its totient is φ = 129803120640.

The previous prime is 455779785203. The next prime is 455779785239. The reversal of 455779785216 is 612587977554.

It is a super-2 number, since 2×455779785216² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3275721 + ... + 3412023.

Almost surely, 2^455779785216 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 455779785216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696079448064).

455779785216 is an abundant number, since it is smaller than the sum of its proper divisors (936379110912).

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

455779785216 is a wasteful number, since it uses less digits than its factorization.

455779785216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136642 (or 136626 counting only the distinct ones).

The product of its digits is 148176000, while the sum is 66.

The spelling of 455779785216 in words is "four hundred fifty-five billion, seven hundred seventy-nine million, seven hundred eighty-five thousand, two hundred sixteen".