840804250000 has 560 divisors, whose sum is σ = 2477837033280. Its totient is φ = 272160000000.

The previous prime is 840804249949. The next prime is 840804250007. The reversal of 840804250000 is 52408048.

It is not an unprimeable number, because it can be changed into a prime (840804250007) by changing a digit.

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 111 ways as a sum of consecutive naturals, for example, 1036749595 + ... + 1036750405.

It is an arithmetic number, because the mean of its divisors is an integer number (4424708988).

Almost surely, 2^840804250000 is an apocalyptic number.

840804250000 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 840804250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238918516640).

840804250000 is an abundant number, since it is smaller than the sum of its proper divisors (1637032783280).

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

840804250000 is a wasteful number, since it uses less digits than its factorization.

840804250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 840804250000 its reverse (52408048), we get a palindrome (840856658048).

The spelling of 840804250000 in words is "eight hundred forty billion, eight hundred four million, two hundred fifty thousand".