846989245440 has 528 divisors, whose sum is σ = 3176001986976. Its totient is φ = 207470592000.

The previous prime is 846989245393. The next prime is 846989245469. The reversal of 846989245440 is 44542989648.

846989245440 is a `hidden beast` number, since 8 + 4 + 6 + 9 + 89 + 2 + 4 + 544 + 0 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 126394090 + ... + 126400790.

Almost surely, 2^846989245440 is an apocalyptic number.

846989245440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846989245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588000993488).

846989245440 is an abundant number, since it is smaller than the sum of its proper divisors (2329012741536).

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

846989245440 is a wasteful number, since it uses less digits than its factorization.

846989245440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956 (or 6935 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 846989245440 in words is "eight hundred forty-six billion, nine hundred eighty-nine million, two hundred forty-five thousand, four hundred forty".