838854226240 has 112 divisors (see below), whose sum is σ = 2084956651008. Its totient is φ = 320862654464.

The previous prime is 838854226187. The next prime is 838854226253. The reversal of 838854226240 is 42622458838.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 29963289 + ... + 29991271.

It is an arithmetic number, because the mean of its divisors is an integer number (18615684384).

Almost surely, 2^838854226240 is an apocalyptic number.

838854226240 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 838854226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042478325504).

838854226240 is an abundant number, since it is smaller than the sum of its proper divisors (1246102424768).

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

838854226240 is a wasteful number, since it uses less digits than its factorization.

838854226240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32096 (or 32086 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 52.

The spelling of 838854226240 in words is "eight hundred thirty-eight billion, eight hundred fifty-four million, two hundred twenty-six thousand, two hundred forty".