273445540752 has 20 divisors (see below), whose sum is σ = 706400980400. Its totient is φ = 91148513568.

The previous prime is 273445540747. The next prime is 273445540757. The reversal of 273445540752 is 257045544372.

It is an interprime number because it is at equal distance from previous prime (273445540747) and next prime (273445540757).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5696782099 = 273445540752 / (2 + 7 + 3 + 4 + 4 + 5 + 5 + 4 + 0 + 7 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (273445540757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2848391002 + ... + 2848391097.

It is an arithmetic number, because the mean of its divisors is an integer number (35320049020).

Almost surely, 2^273445540752 is an apocalyptic number.

It is an amenable number.

273445540752 is an abundant number, since it is smaller than the sum of its proper divisors (432955439648).

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

273445540752 is a wasteful number, since it uses less digits than its factorization.

273445540752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696782110 (or 5696782104 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 48.

The spelling of 273445540752 in words is "two hundred seventy-three billion, four hundred forty-five million, five hundred forty thousand, seven hundred fifty-two".