5644255650 has 192 divisors, whose sum is σ = 15958978560. Its totient is φ = 1307923200.

The previous prime is 5644255633. The next prime is 5644255657. The reversal of 5644255650 is 565524465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5644255657) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3601167 + ... + 3602733.

It is an arithmetic number, because the mean of its divisors is an integer number (83119680).

Almost surely, 2^5644255650 is an apocalyptic number.

5644255650 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 5644255650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7979489280).

5644255650 is an abundant number, since it is smaller than the sum of its proper divisors (10314722910).

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

5644255650 is a wasteful number, since it uses less digits than its factorization.

5644255650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 5644255650 is about 75128.2613268802. The cubic root of 5644255650 is about 1780.4736830080.

It can be divided in two parts, 564425 and 5650, that added together give a palindrome (570075).

The spelling of 5644255650 in words is "five billion, six hundred forty-four million, two hundred fifty-five thousand, six hundred fifty".