2840463390 has 32 divisors (see below), whose sum is σ = 6846386976. Its totient is φ = 754204160.

The previous prime is 2840463293. The next prime is 2840463403. The reversal of 2840463390 is 933640482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196191 + ... + 210170.

It is an arithmetic number, because the mean of its divisors is an integer number (213949593).

Almost surely, 2^2840463390 is an apocalyptic number.

2840463390 is an abundant number, since it is smaller than the sum of its proper divisors (4005923586).

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

2840463390 is a wasteful number, since it uses less digits than its factorization.

2840463390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406604.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 2840463390 is about 53295.9978797658. The cubic root of 2840463390 is about 1416.2167677418.

The spelling of 2840463390 in words is "two billion, eight hundred forty million, four hundred sixty-three thousand, three hundred ninety".