454021640211 has 8 divisors (see below), whose sum is σ = 606066919360. Its totient is φ = 302328727272.

The previous prime is 454021640203. The next prime is 454021640213. The reversal of 454021640211 is 112046120454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 454021640211 - 2³ = 454021640203 is a prime.

It is a super-2 number, since 2×454021640211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454021640213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88088545 + ... + 88093698.

It is an arithmetic number, because the mean of its divisors is an integer number (75758364920).

Almost surely, 2^454021640211 is an apocalyptic number.

454021640211 is a deficient number, since it is larger than the sum of its proper divisors (152045279149).

454021640211 is a wasteful number, since it uses less digits than its factorization.

454021640211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176183105.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 454021640211 its reverse (112046120454), we get a palindrome (566067760665).

The spelling of 454021640211 in words is "four hundred fifty-four billion, twenty-one million, six hundred forty thousand, two hundred eleven".