844670770340 has 48 divisors (see below), whose sum is σ = 1778135587200. Its totient is φ = 337044449280.

The previous prime is 844670770337. The next prime is 844670770397. The reversal of 844670770340 is 43077076448.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69166835 + ... + 69179045.

It is an arithmetic number, because the mean of its divisors is an integer number (37044491400).

Almost surely, 2^844670770340 is an apocalyptic number.

It is an amenable number.

844670770340 is an abundant number, since it is smaller than the sum of its proper divisors (933464816860).

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

844670770340 is a wasteful number, since it uses less digits than its factorization.

844670770340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20372 (or 20370 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 844670770340 in words is "eight hundred forty-four billion, six hundred seventy million, seven hundred seventy thousand, three hundred forty".