1680028050 has 48 divisors (see below), whose sum is σ = 4169018880. Its totient is φ = 447733440.

The previous prime is 1680028039. The next prime is 1680028067. The reversal of 1680028050 is 508200861.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1680027999 and 1680028017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401871 + ... + 406029.

It is an arithmetic number, because the mean of its divisors is an integer number (86854560).

Almost surely, 2^1680028050 is an apocalyptic number.

1680028050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680028050 is an abundant number, since it is smaller than the sum of its proper divisors (2488990830).

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

1680028050 is a wasteful number, since it uses less digits than its factorization.

1680028050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6862 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1680028050 is about 40988.1452373732. The cubic root of 1680028050 is about 1188.7910066670.

It can be divided in two parts, 16800 and 28050, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 1680028050 in words is "one billion, six hundred eighty million, twenty-eight thousand, fifty".