254421868124452 has 60 divisors (see below), whose sum is σ = 519538173799820. Its totient is φ = 109011821925888.

The previous prime is 254421868124393. The next prime is 254421868124509.

254421868124452 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 206779625867556 + 47642242256896 = 14379834^2 + 6902336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36944824 + ... + 43286992.

Almost surely, 2^{254421868124452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254421868124452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259769086899910).

254421868124452 is an abundant number, since it is smaller than the sum of its proper divisors (265116305675368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254421868124452 is an equidigital number, since it uses as much as digits as its factorization.

254421868124452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346378 (or 6346355 counting only the distinct ones).

The product of its digits is 39321600, while the sum is 58.

The spelling of 254421868124452 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, eight hundred sixty-eight million, one hundred twenty-four thousand, four hundred fifty-two".