836480355648 has 224 divisors, whose sum is σ = 2538848717568. Its totient is φ = 238099660800.

The previous prime is 836480355643. The next prime is 836480355671. The reversal of 836480355648 is 846553084638.

It is a Cunningham number, because it is equal to 914593²-1.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 836480355591 and 836480355600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836480355643) 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, 614606488 + ... + 614607848.

Almost surely, 2^836480355648 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 836480355648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269424358784).

836480355648 is an abundant number, since it is smaller than the sum of its proper divisors (1702368361920).

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

836480355648 is a wasteful number, since it uses less digits than its factorization.

836480355648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 60.

The spelling of 836480355648 in words is "eight hundred thirty-six billion, four hundred eighty million, three hundred fifty-five thousand, six hundred forty-eight".