275647440060 has 144 divisors (see below), whose sum is σ = 865538987040. Its totient is φ = 70924008960.

The previous prime is 275647440059. The next prime is 275647440077. The reversal of 275647440060 is 60044746572.

275647440060 is a `hidden beast` number, since 27 + 564 + 7 + 4 + 4 + 0 + 0 + 60 = 666.

It is a super-2 number, since 2×275647440060² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 275647439988 and 275647440015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8183814 + ... + 8217426.

It is an arithmetic number, because the mean of its divisors is an integer number (6010687410).

Almost surely, 2^275647440060 is an apocalyptic number.

275647440060 is a gapful number since it is divisible by the number (20) 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 275647440060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432769493520).

275647440060 is an abundant number, since it is smaller than the sum of its proper divisors (589891546980).

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

275647440060 is a wasteful number, since it uses less digits than its factorization.

275647440060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35228 (or 35223 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 275647440060 in words is "two hundred seventy-five billion, six hundred forty-seven million, four hundred forty thousand, sixty".