1621044050 has 48 divisors (see below), whose sum is σ = 3049358400. Its totient is φ = 641108160.

The previous prime is 1621044043. The next prime is 1621044077. The reversal of 1621044050 is 504401261.

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, 1959737 + ... + 1960563.

It is an arithmetic number, because the mean of its divisors is an integer number (63528300).

Almost surely, 2^1621044050 is an apocalyptic number.

1621044050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1621044050 is a deficient number, since it is larger than the sum of its proper divisors (1428314350).

1621044050 is a wasteful number, since it uses less digits than its factorization.

1621044050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1621044050 is about 40262.1913213874. The cubic root of 1621044050 is about 1174.7125417221.

The spelling of 1621044050 in words is "one billion, six hundred twenty-one million, forty-four thousand, fifty".