254400656244 has 48 divisors (see below), whose sum is σ = 696736940928. Its totient is φ = 70721417088.

The previous prime is 254400656243. The next prime is 254400656309. The reversal of 254400656244 is 442656004452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 254400656196 and 254400656205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254400656243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40923639 + ... + 40929854.

It is an arithmetic number, because the mean of its divisors is an integer number (14515352936).

Almost surely, 2^254400656244 is an apocalyptic number.

It is an amenable number.

254400656244 is an abundant number, since it is smaller than the sum of its proper divisors (442336284684).

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

254400656244 is a wasteful number, since it uses less digits than its factorization.

254400656244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81853544 (or 81853542 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 254400656244 in words is "two hundred fifty-four billion, four hundred million, six hundred fifty-six thousand, two hundred forty-four".