275318538132 has 96 divisors (see below), whose sum is σ = 708334704000. Its totient is φ = 82536537600.

The previous prime is 275318538101. The next prime is 275318538133. The reversal of 275318538132 is 231835813572.

It is a super-3 number, since 3×275318538132³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275318538133) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9495994 + ... + 9524942.

It is an arithmetic number, because the mean of its divisors is an integer number (7378486500).

Almost surely, 2^275318538132 is an apocalyptic number.

275318538132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275318538132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354167352000).

275318538132 is an abundant number, since it is smaller than the sum of its proper divisors (433016165868).

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

275318538132 is a wasteful number, since it uses less digits than its factorization.

275318538132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29737 (or 29735 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

It can be divided in two parts, 275318 and 538132, that added together give a triangular number (813450 = T₁₂₇₅).

The spelling of 275318538132 in words is "two hundred seventy-five billion, three hundred eighteen million, five hundred thirty-eight thousand, one hundred thirty-two".