3556181028304 has 80 divisors (see below), whose sum is σ = 7631772749568. Its totient is φ = 1596703021056.

The previous prime is 3556181028299. The next prime is 3556181028313. The reversal of 3556181028304 is 4038201816553.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767709 + ... + 3199555.

Almost surely, 2^{3556181028304} is an apocalyptic number.

3556181028304 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 3556181028304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3815886374784).

3556181028304 is an abundant number, since it is smaller than the sum of its proper divisors (4075591721264).

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

3556181028304 is a wasteful number, since it uses less digits than its factorization.

3556181028304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432292 (or 1432286 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 3556181028304 in words is "three trillion, five hundred fifty-six billion, one hundred eighty-one million, twenty-eight thousand, three hundred four".