1943228160 has 432 divisors, whose sum is σ = 7124697216. Its totient is φ = 488374272.

The previous prime is 1943228141. The next prime is 1943228167. The reversal of 1943228160 is 618223491.

It is a super-2 number, since 2×1943228160² = 7552271363633971200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943228167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20033232 + ... + 20033328.

Almost surely, 2^1943228160 is an apocalyptic number.

1943228160 is a gapful number since it is divisible by the number (10) 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 1943228160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3562348608).

1943228160 is an abundant number, since it is smaller than the sum of its proper divisors (5181469056).

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

1943228160 is a wasteful number, since it uses less digits than its factorization.

1943228160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1943228160 is about 44082.0616577764. The cubic root of 1943228160 is about 1247.8850979027.

The spelling of 1943228160 in words is "one billion, nine hundred forty-three million, two hundred twenty-eight thousand, one hundred sixty".