4421748240 has 720 divisors, whose sum is σ = 19264766976. Its totient is φ = 899942400.

The previous prime is 4421748217. The next prime is 4421748257. The reversal of 4421748240 is 428471244.

4421748240 is a `hidden beast` number, since 442 + 174 + 8 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4421748195 and 4421748204.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14217685 + ... + 14217995.

Almost surely, 2^4421748240 is an apocalyptic number.

4421748240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421748240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9632383488).

4421748240 is an abundant number, since it is smaller than the sum of its proper divisors (14843018736).

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

4421748240 is a wasteful number, since it uses less digits than its factorization.

4421748240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 4421748240 is about 66496.2272614018. The cubic root of 4421748240 is about 1641.3379226926.

The spelling of 4421748240 in words is "four billion, four hundred twenty-one million, seven hundred forty-eight thousand, two hundred forty".