275155540 has 48 divisors (see below), whose sum is σ = 667445184. Its totient is φ = 94169600.

The previous prime is 275155537. The next prime is 275155547. The reversal of 275155540 is 45551572.

275155540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 275155496 and 275155505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275155547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33046 + ... + 40525.

It is an arithmetic number, because the mean of its divisors is an integer number (13905108).

Almost surely, 2^275155540 is an apocalyptic number.

275155540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275155540 is an abundant number, since it is smaller than the sum of its proper divisors (392289644).

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

275155540 is a wasteful number, since it uses less digits than its factorization.

275155540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73608 (or 73606 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The square root of 275155540 is about 16587.8129962934. The cubic root of 275155540 is about 650.4183027387.

The spelling of 275155540 in words is "two hundred seventy-five million, one hundred fifty-five thousand, five hundred forty".