3556244880 has 240 divisors, whose sum is σ = 12470670576. Its totient is φ = 907345920.

The previous prime is 3556244873. The next prime is 3556244893. The reversal of 3556244880 is 884426553.

3556244880 is a `hidden beast` number, since 3 + 5 + 562 + 4 + 4 + 8 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 746496 + 3555498384 = 864^2 + 59628^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1563424 + ... + 1565696.

Almost surely, 2^3556244880 is an apocalyptic number.

3556244880 is a gapful number since it is divisible by the number (30) 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 3556244880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6235335288).

3556244880 is an abundant number, since it is smaller than the sum of its proper divisors (8914425696).

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

3556244880 is a wasteful number, since it uses less digits than its factorization.

3556244880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 3556244880 is about 59634.2592810542. The cubic root of 3556244880 is about 1526.3842853029.

The spelling of 3556244880 in words is "three billion, five hundred fifty-six million, two hundred forty-four thousand, eight hundred eighty".