275772712540 has 96 divisors (see below), whose sum is σ = 634198783680. Its totient is φ = 100106496000.

The previous prime is 275772712519. The next prime is 275772712547. The reversal of 275772712540 is 45217277572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275772712547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65642440 + ... + 65646640.

It is an arithmetic number, because the mean of its divisors is an integer number (6606237330).

Almost surely, 2^275772712540 is an apocalyptic number.

275772712540 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 275772712540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317099391840).

275772712540 is an abundant number, since it is smaller than the sum of its proper divisors (358426071140).

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

275772712540 is a wasteful number, since it uses less digits than its factorization.

275772712540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423 (or 8421 counting only the distinct ones).

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 275772712540 in words is "two hundred seventy-five billion, seven hundred seventy-two million, seven hundred twelve thousand, five hundred forty".