3556449788 has 12 divisors (see below), whose sum is σ = 6225762312. Its totient is φ = 1777660560.

The previous prime is 3556449781. The next prime is 3556449803. The reversal of 3556449788 is 8879446553.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556449781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126743 + ... + 152238.

It is an arithmetic number, because the mean of its divisors is an integer number (518813526).

Almost surely, 2^3556449788 is an apocalyptic number.

It is an amenable number.

3556449788 is a deficient number, since it is larger than the sum of its proper divisors (2669312524).

3556449788 is a wasteful number, since it uses less digits than its factorization.

3556449788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282172 (or 282170 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The square root of 3556449788 is about 59635.9772955889. The cubic root of 3556449788 is about 1526.4136010892.

The spelling of 3556449788 in words is "three billion, five hundred fifty-six million, four hundred forty-nine thousand, seven hundred eighty-eight".