254525221444 has 24 divisors (see below), whose sum is σ = 483927134040. Its totient is φ = 116433590784.

The previous prime is 254525221427. The next prime is 254525221451. The reversal of 254525221444 is 444122525452.

It can be written as a sum of positive squares in 4 ways, for example, as 307581444 + 254217640000 = 17538^2 + 504200^2 .

It is a super-2 number, since 2×254525221444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254525221397 and 254525221406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21652159 + ... + 21663910.

It is an arithmetic number, because the mean of its divisors is an integer number (20163630585).

Almost surely, 2^254525221444 is an apocalyptic number.

It is an amenable number.

254525221444 is a deficient number, since it is larger than the sum of its proper divisors (229401912596).

254525221444 is a wasteful number, since it uses less digits than its factorization.

254525221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43316199 (or 43316197 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

Adding to 254525221444 its reverse (444122525452), we get a palindrome (698647746896).

The spelling of 254525221444 in words is "two hundred fifty-four billion, five hundred twenty-five million, two hundred twenty-one thousand, four hundred forty-four".