275305470140 has 24 divisors (see below), whose sum is σ = 612149810832. Its totient is φ = 103644412160.

The previous prime is 275305470137. The next prime is 275305470161. The reversal of 275305470140 is 41074503572.

It is a junction number, because it is equal to n+sod(n) for n = 275305470094 and 275305470103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404860646 + ... + 404861325.

It is an arithmetic number, because the mean of its divisors is an integer number (25506242118).

Almost surely, 2^275305470140 is an apocalyptic number.

275305470140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275305470140 is an abundant number, since it is smaller than the sum of its proper divisors (336844340692).

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

275305470140 is a wasteful number, since it uses less digits than its factorization.

275305470140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809721997 (or 809721995 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 275305470140 in words is "two hundred seventy-five billion, three hundred five million, four hundred seventy thousand, one hundred forty".