34638442180 has 12 divisors (see below), whose sum is σ = 72740728620. Its totient is φ = 13855376864.

The previous prime is 34638442171. The next prime is 34638442187. The reversal of 34638442180 is 8124483643.

It can be written as a sum of positive squares in 2 ways, for example, as 9603608004 + 25034834176 = 97998^2 + 158224^2 .

It is not an unprimeable number, because it can be changed into a prime (34638442187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865961035 + ... + 865961074.

It is an arithmetic number, because the mean of its divisors is an integer number (6061727385).

Almost surely, 2^34638442180 is an apocalyptic number.

It is an amenable number.

34638442180 is an abundant number, since it is smaller than the sum of its proper divisors (38102286440).

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

34638442180 is a wasteful number, since it uses less digits than its factorization.

34638442180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731922118 (or 1731922116 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 34638442180 in words is "thirty-four billion, six hundred thirty-eight million, four hundred forty-two thousand, one hundred eighty".