1648928630 has 32 divisors (see below), whose sum is σ = 3027677184. Its totient is φ = 646452576.

The previous prime is 1648928629. The next prime is 1648928689. The reversal of 1648928630 is 368298461.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 97589 + ... + 113231.

It is an arithmetic number, because the mean of its divisors is an integer number (94614912).

Almost surely, 2^1648928630 is an apocalyptic number.

1648928630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1648928630 is a deficient number, since it is larger than the sum of its proper divisors (1378748554).

1648928630 is a wasteful number, since it uses less digits than its factorization.

1648928630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1648928630 is about 40607.0022286797. The cubic root of 1648928630 is about 1181.4099372664.

The spelling of 1648928630 in words is "one billion, six hundred forty-eight million, nine hundred twenty-eight thousand, six hundred thirty".