5644421012250 has 192 divisors, whose sum is σ = 15940706895360. Its totient is φ = 1439675164800.

The previous prime is 5644421012231. The next prime is 5644421012369. The reversal of 5644421012250 is 522101244465.

5644421012250 is a `hidden beast` number, since 5 + 6 + 4 + 4 + 421 + 0 + 1 + 225 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4337167 + ... + 5486333.

It is an arithmetic number, because the mean of its divisors is an integer number (83024515080).

Almost surely, 2^{5644421012250} is an apocalyptic number.

5644421012250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644421012250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7970353447680).

5644421012250 is an abundant number, since it is smaller than the sum of its proper divisors (10296285883110).

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

5644421012250 is a wasteful number, since it uses less digits than its factorization.

5644421012250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149286 (or 1149273 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 5644421012250 in words is "five trillion, six hundred forty-four billion, four hundred twenty-one million, twelve thousand, two hundred fifty".