2840664930 has 32 divisors (see below), whose sum is σ = 6820564608. Its totient is φ = 757180800.

The previous prime is 2840664907. The next prime is 2840664941. The reversal of 2840664930 is 394660482.

It is a happy 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, 53835 + ... + 92625.

It is an arithmetic number, because the mean of its divisors is an integer number (213142644).

Almost surely, 2^2840664930 is an apocalyptic number.

2840664930 is an abundant number, since it is smaller than the sum of its proper divisors (3979899678).

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

2840664930 is a wasteful number, since it uses less digits than its factorization.

2840664930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41242.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 2840664930 is about 53297.8886073360. Note that the first 3 decimals coincide. The cubic root of 2840664930 is about 1416.2502619923.

The spelling of 2840664930 in words is "two billion, eight hundred forty million, six hundred sixty-four thousand, nine hundred thirty".