3551044656 has 20 divisors (see below), whose sum is σ = 9173532152. Its totient is φ = 1183681536.

The previous prime is 3551044639. The next prime is 3551044661. The reversal of 3551044656 is 6564401553.

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 3 ways as a sum of consecutive naturals, for example, 36990001 + ... + 36990096.

Almost surely, 2^3551044656 is an apocalyptic number.

It is an amenable number.

3551044656 is an abundant number, since it is smaller than the sum of its proper divisors (5622487496).

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

3551044656 is a wasteful number, since it uses less digits than its factorization.

3551044656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73980108 (or 73980102 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 3551044656 is about 59590.6423526379. The cubic root of 3551044656 is about 1525.6399222107.

The spelling of 3551044656 in words is "three billion, five hundred fifty-one million, forty-four thousand, six hundred fifty-six".