846251031408 has 160 divisors (see below), whose sum is σ = 2315126679552. Its totient is φ = 265996569600.

The previous prime is 846251031401. The next prime is 846251031473. The reversal of 846251031408 is 804130152648.

It is a happy number.

It is a super-2 number, since 2×846251031408² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 846251031408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846251031401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9668610 + ... + 9755742.

Almost surely, 2^846251031408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 846251031408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157563339776).

846251031408 is an abundant number, since it is smaller than the sum of its proper divisors (1468875648144).

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

846251031408 is a wasteful number, since it uses less digits than its factorization.

846251031408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87343 (or 87337 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 846251031408 in words is "eight hundred forty-six billion, two hundred fifty-one million, thirty-one thousand, four hundred eight".