4487740656 has 320 divisors, whose sum is σ = 14249088000. Its totient is φ = 1215212544.

The previous prime is 4487740651. The next prime is 4487740661. The reversal of 4487740656 is 6560477844.

It is an interprime number because it is at equal distance from previous prime (4487740651) and next prime (4487740661).

It is a junction number, because it is equal to n+sod(n) for n = 4487740599 and 4487740608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487740651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32285835 + ... + 32285973.

It is an arithmetic number, because the mean of its divisors is an integer number (44528400).

Almost surely, 2^4487740656 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 4487740656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7124544000).

4487740656 is an abundant number, since it is smaller than the sum of its proper divisors (9761347344).

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

4487740656 is a wasteful number, since it uses less digits than its factorization.

4487740656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The square root of 4487740656 is about 66990.6012512203. The cubic root of 4487740656 is about 1649.4630215908.

The spelling of 4487740656 in words is "four billion, four hundred eighty-seven million, seven hundred forty thousand, six hundred fifty-six".