455242066140 has 96 divisors (see below), whose sum is σ = 1316096409600. Its totient is φ = 117455040000.

The previous prime is 455242066133. The next prime is 455242066187. The reversal of 455242066140 is 41660242554.

It is a super-2 number, since 2×455242066140² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8900640 + ... + 8951640.

It is an arithmetic number, because the mean of its divisors is an integer number (13709337600).

Almost surely, 2^455242066140 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 455242066140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658048204800).

455242066140 is an abundant number, since it is smaller than the sum of its proper divisors (860854343460).

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

455242066140 is a wasteful number, since it uses less digits than its factorization.

455242066140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55843 (or 55841 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 455242066140 in words is "four hundred fifty-five billion, two hundred forty-two million, sixty-six thousand, one hundred forty".