2180352428 has 24 divisors (see below), whose sum is σ = 3922636032. Its totient is φ = 1059657984.

The previous prime is 2180352409. The next prime is 2180352431. The reversal of 2180352428 is 8242530812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154100 + ... + 167652.

It is an arithmetic number, because the mean of its divisors is an integer number (163443168).

Almost surely, 2^2180352428 is an apocalyptic number.

It is an amenable number.

2180352428 is a deficient number, since it is larger than the sum of its proper divisors (1742283604).

2180352428 is a wasteful number, since it uses less digits than its factorization.

2180352428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14681 (or 14679 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2180352428 is about 46694.2440564145. The cubic root of 2180352428 is about 1296.7081265467.

The spelling of 2180352428 in words is "two billion, one hundred eighty million, three hundred fifty-two thousand, four hundred twenty-eight".