275020129460 has 48 divisors (see below), whose sum is σ = 597694401360. Its totient is φ = 106172559360.

The previous prime is 275020129451. The next prime is 275020129471. The reversal of 275020129460 is 64921020572.

It can be written as a sum of positive squares in 8 ways, for example, as 59861451556 + 215158677904 = 244666^2 + 463852^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390340 + ... + 1575780.

It is an arithmetic number, because the mean of its divisors is an integer number (12451966695).

Almost surely, 2^275020129460 is an apocalyptic number.

275020129460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275020129460 is an abundant number, since it is smaller than the sum of its proper divisors (322674271900).

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

275020129460 is a wasteful number, since it uses less digits than its factorization.

275020129460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188036 (or 188034 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 275020129460 in words is "two hundred seventy-five billion, twenty million, one hundred twenty-nine thousand, four hundred sixty".