275559420 has 24 divisors (see below), whose sum is σ = 771566544. Its totient is φ = 73482496.

The previous prime is 275559377. The next prime is 275559433. The reversal of 275559420 is 24955572.

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, 2296269 + ... + 2296388.

It is an arithmetic number, because the mean of its divisors is an integer number (32148606).

Almost surely, 2^275559420 is an apocalyptic number.

275559420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275559420 is an abundant number, since it is smaller than the sum of its proper divisors (496007124).

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

275559420 is a wasteful number, since it uses less digits than its factorization.

275559420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592669 (or 4592667 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 275559420 is about 16599.9825301113. The cubic root of 275559420 is about 650.7363804349.

The spelling of 275559420 in words is "two hundred seventy-five million, five hundred fifty-nine thousand, four hundred twenty".