455138953668 has 120 divisors (see below), whose sum is σ = 1431366305600. Its totient is φ = 123195494592.

The previous prime is 455138953553. The next prime is 455138953673. The reversal of 455138953668 is 866359831554.

It is a happy number.

455138953668 is a `hidden beast` number, since 4 + 5 + 5 + 1 + 38 + 9 + 536 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5237923 + ... + 5324106.

Almost surely, 2^455138953668 is an apocalyptic number.

It is an amenable number.

455138953668 is an abundant number, since it is smaller than the sum of its proper divisors (976227351932).

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

455138953668 is a wasteful number, since it uses less digits than its factorization.

455138953668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562071 (or 10562060 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

It can be divided in two parts, 4551 and 38953668, that added together give a cube (38958219 = 339³).

The spelling of 455138953668 in words is "four hundred fifty-five billion, one hundred thirty-eight million, nine hundred fifty-three thousand, six hundred sixty-eight".