273440057 has 12 divisors (see below), whose sum is σ = 308243088. Its totient is φ = 240553800.

The previous prime is 273440047. The next prime is 273440059. The reversal of 273440057 is 750044372.

It is not a de Polignac number, because 273440057 - 2²⁴ = 256662841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273440059) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2363 + ... + 23504.

It is an arithmetic number, because the mean of its divisors is an integer number (25686924).

Almost surely, 2^273440057 is an apocalyptic number.

It is an amenable number.

273440057 is a deficient number, since it is larger than the sum of its proper divisors (34803031).

273440057 is a wasteful number, since it uses less digits than its factorization.

273440057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25940 (or 25909 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 273440057 is about 16536.0230103855. The cubic root of 273440057 is about 649.0637859186.

The spelling of 273440057 in words is "two hundred seventy-three million, four hundred forty thousand, fifty-seven".