34644081136 has 80 divisors (see below), whose sum is σ = 78479550400. Its totient is φ = 14809132800.

The previous prime is 34644081133. The next prime is 34644081137. The reversal of 34644081136 is 63118044643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34644081133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170786 + ... + 2186686.

It is an arithmetic number, because the mean of its divisors is an integer number (980994380).

Almost surely, 2^34644081136 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 34644081136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39239775200).

34644081136 is an abundant number, since it is smaller than the sum of its proper divisors (43835469264).

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

34644081136 is a wasteful number, since it uses less digits than its factorization.

34644081136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327 (or 16307 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 34644081136 in words is "thirty-four billion, six hundred forty-four million, eighty-one thousand, one hundred thirty-six".