4481390340 has 384 divisors, whose sum is σ = 16558080000. Its totient is φ = 985001472.

The previous prime is 4481390339. The next prime is 4481390363. The reversal of 4481390340 is 430931844.

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 = 4481390295 and 4481390304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12840486 + ... + 12840834.

It is an arithmetic number, because the mean of its divisors is an integer number (43120000).

Almost surely, 2^4481390340 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 4481390340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8279040000).

4481390340 is an abundant number, since it is smaller than the sum of its proper divisors (12076689660).

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

4481390340 is a wasteful number, since it uses less digits than its factorization.

4481390340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 4481390340 is about 66943.1874054410. The cubic root of 4481390340 is about 1648.6846376362.

The spelling of 4481390340 in words is "four billion, four hundred eighty-one million, three hundred ninety thousand, three hundred forty".