254454421005 has 64 divisors (see below), whose sum is σ = 458269267200. Its totient is φ = 135613875456.

The previous prime is 254454420943. The next prime is 254454421009. The reversal of 254454421005 is 500124454452.

254454421005 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 544 + 2 + 100 + 5 = 666.

It is not a de Polignac number, because 254454421005 - 2²³ = 254446032397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254454421009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17258997 + ... + 17273733.

It is an arithmetic number, because the mean of its divisors is an integer number (7160457300).

Almost surely, 2^254454421005 is an apocalyptic number.

It is an amenable number.

254454421005 is a deficient number, since it is larger than the sum of its proper divisors (203814846195).

254454421005 is an equidigital number, since it uses as much as digits as its factorization.

254454421005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342 (or 16324 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 254454421005 its reverse (500124454452), we get a palindrome (754578875457).

The spelling of 254454421005 in words is "two hundred fifty-four billion, four hundred fifty-four million, four hundred twenty-one thousand, five".