273310428378 has 64 divisors (see below), whose sum is σ = 602460673920. Its totient is φ = 82143389952.

The previous prime is 273310428343. The next prime is 273310428379. The reversal of 273310428378 is 873824013372.

It is not an unprimeable number, because it can be changed into a prime (273310428379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533376 + ... + 911652.

It is an arithmetic number, because the mean of its divisors is an integer number (9413448030).

Almost surely, 2^273310428378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273310428378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301230336960).

273310428378 is an abundant number, since it is smaller than the sum of its proper divisors (329150245542).

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

273310428378 is a wasteful number, since it uses less digits than its factorization.

273310428378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378511.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 273310428378 in words is "two hundred seventy-three billion, three hundred ten million, four hundred twenty-eight thousand, three hundred seventy-eight".