273439078320 has 80 divisors (see below), whose sum is σ = 870570931680. Its totient is φ = 70946353152.

The previous prime is 273439078313. The next prime is 273439078349. The reversal of 273439078320 is 23870934372.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 273439078320.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15387465 + ... + 15405224.

It is an arithmetic number, because the mean of its divisors is an integer number (10882136646).

Almost surely, 2^273439078320 is an apocalyptic number.

273439078320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273439078320 is an abundant number, since it is smaller than the sum of its proper divisors (597131853360).

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

273439078320 is a wasteful number, since it uses less digits than its factorization.

273439078320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30792742 (or 30792736 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 273439078320 in words is "two hundred seventy-three billion, four hundred thirty-nine million, seventy-eight thousand, three hundred twenty".