454413643444 has 24 divisors (see below), whose sum is σ = 805520298240. Its totient is φ = 224266632096.

The previous prime is 454413643441. The next prime is 454413643447. The reversal of 454413643444 is 444346314454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (454413643441) and next prime (454413643447).

It is a super-2 number, since 2×454413643444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454413643394 and 454413643403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454413643441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910674 + ... + 1318390.

It is an arithmetic number, because the mean of its divisors is an integer number (33563345760).

Almost surely, 2^454413643444 is an apocalyptic number.

It is an amenable number.

454413643444 is a deficient number, since it is larger than the sum of its proper divisors (351106654796).

454413643444 is a wasteful number, since it uses less digits than its factorization.

454413643444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411327 (or 411325 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 46.

Adding to 454413643444 its reverse (444346314454), we get a palindrome (898759957898).

The spelling of 454413643444 in words is "four hundred fifty-four billion, four hundred thirteen million, six hundred forty-three thousand, four hundred forty-four".