2840401924 has 12 divisors (see below), whose sum is σ = 5002365004. Its totient is φ = 1411154784.

The previous prime is 2840401909. The next prime is 2840401933. The reversal of 2840401924 is 4291040482.

It can be written as a sum of positive squares in 2 ways, for example, as 771061824 + 2069340100 = 27768^2 + 45490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2840401924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260839 + ... + 2262094.

Almost surely, 2^2840401924 is an apocalyptic number.

It is an amenable number.

2840401924 is a deficient number, since it is larger than the sum of its proper divisors (2161963080).

2840401924 is a wasteful number, since it uses less digits than its factorization.

2840401924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523094 (or 4523092 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2840401924 is about 53295.4212292201. The cubic root of 2840401924 is about 1416.2065522950.

The spelling of 2840401924 in words is "two billion, eight hundred forty million, four hundred one thousand, nine hundred twenty-four".