836128994622432 has 768 divisors, whose sum is σ = 2602992877535232. Its totient is φ = 230110389411840.

The previous prime is 836128994622373. The next prime is 836128994622583. The reversal of 836128994622432 is 234226499821638.

It is a super-2 number, since 2×836128994622432² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 560032815478 + ... + 560032816970.

It is an arithmetic number, because the mean of its divisors is an integer number (3389313642624).

Almost surely, 2^{836128994622432} 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 836128994622432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301496438767616).

836128994622432 is an abundant number, since it is smaller than the sum of its proper divisors (1766863882912800).

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

836128994622432 is a wasteful number, since it uses less digits than its factorization.

836128994622432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143 (or 3135 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 69.

The spelling of 836128994622432 in words is "eight hundred thirty-six trillion, one hundred twenty-eight billion, nine hundred ninety-four million, six hundred twenty-two thousand, four hundred thirty-two".