3556522944 has 448 divisors, whose sum is σ = 12187123200. Its totient is φ = 1007271936.

The previous prime is 3556522943. The next prime is 3556522973. The reversal of 3556522944 is 4492256553.

3556522944 is a `hidden beast` number, since 3 + 556 + 5 + 2 + 2 + 94 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3556522944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556522943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25586427 + ... + 25586565.

It is an arithmetic number, because the mean of its divisors is an integer number (27203400).

Almost surely, 2^3556522944 is an apocalyptic number.

3556522944 is a gapful number since it is divisible by the number (34) 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 3556522944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6093561600).

3556522944 is an abundant number, since it is smaller than the sum of its proper divisors (8630600256).

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

3556522944 is a wasteful number, since it uses less digits than its factorization.

3556522944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 241 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 3556522944 is about 59636.5906470180. The cubic root of 3556522944 is about 1526.4240671020.

The spelling of 3556522944 in words is "three billion, five hundred fifty-six million, five hundred twenty-two thousand, nine hundred forty-four".