88644041136 has 180 divisors, whose sum is σ = 289711905912. Its totient is φ = 25227804672.

The previous prime is 88644041119. The next prime is 88644041159. The reversal of 88644041136 is 63114044688.

It is a junction number, because it is equal to n+sod(n) for n = 88644041091 and 88644041100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1788951 + ... + 1837833.

Almost surely, 2^88644041136 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 88644041136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144855952956).

88644041136 is an abundant number, since it is smaller than the sum of its proper divisors (201067864776).

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

88644041136 is a wasteful number, since it uses less digits than its factorization.

88644041136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49168 (or 49152 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 88644041136 in words is "eighty-eight billion, six hundred forty-four million, forty-one thousand, one hundred thirty-six".