2009928430 has 16 divisors (see below), whose sum is σ = 3715652160. Its totient is φ = 782242272.

The previous prime is 2009928419. The next prime is 2009928443. The reversal of 2009928430 is 348299002.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 2009928430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715750 + ... + 2716489.

It is an arithmetic number, because the mean of its divisors is an integer number (232228260).

Almost surely, 2^2009928430 is an apocalyptic number.

2009928430 is a deficient number, since it is larger than the sum of its proper divisors (1705723730).

2009928430 is a wasteful number, since it uses less digits than its factorization.

2009928430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432283.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2009928430 is about 44832.2253518605. The cubic root of 2009928430 is about 1262.0024491720.

The spelling of 2009928430 in words is "two billion, nine million, nine hundred twenty-eight thousand, four hundred thirty".