254221363122452 has 18 divisors (see below), whose sum is σ = 489008448486474. Its totient is φ = 115555165055440.

The previous prime is 254221363122443. The next prime is 254221363122457.

254221363122452 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 154495055596816 + 99726307525636 = 12429604^2 + 9986306^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254221363122457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262625374643 + ... + 262625375610.

Almost surely, 2^{254221363122452} is an apocalyptic number.

254221363122452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

254221363122452 is a deficient number, since it is larger than the sum of its proper divisors (234787085364022).

254221363122452 is a wasteful number, since it uses less digits than its factorization.

254221363122452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525250750279 (or 525250750266 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 44.

The spelling of 254221363122452 in words is "two hundred fifty-four trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred twenty-two thousand, four hundred fifty-two".