8340844490 has 64 divisors (see below), whose sum is σ = 16619765760. Its totient is φ = 2988498240.

The previous prime is 8340844489. The next prime is 8340844537. The reversal of 8340844490 is 944480438.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 7672727 + ... + 7673813.

It is an arithmetic number, because the mean of its divisors is an integer number (259683840).

Almost surely, 2^8340844490 is an apocalyptic number.

8340844490 is a deficient number, since it is larger than the sum of its proper divisors (8278921270).

8340844490 is a wasteful number, since it uses less digits than its factorization.

8340844490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 8340844490 is about 91328.2239507591. The cubic root of 8340844490 is about 2028.0096072343.

The spelling of 8340844490 in words is "eight billion, three hundred forty million, eight hundred forty-four thousand, four hundred ninety".