273215404000 has 384 divisors, whose sum is σ = 846421954560. Its totient is φ = 84192768000.

The previous prime is 273215403997. The next prime is 273215404027. The reversal of 273215404000 is 404512372.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 273215404000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27407017 + ... + 27416983.

It is an arithmetic number, because the mean of its divisors is an integer number (2204223840).

Almost surely, 2^273215404000 is an apocalyptic number.

273215404000 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 273215404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423210977280).

273215404000 is an abundant number, since it is smaller than the sum of its proper divisors (573206550560).

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

273215404000 is a wasteful number, since it uses less digits than its factorization.

273215404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099 (or 10081 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 273215404000 its reverse (404512372), we get a palindrome (273619916372).

The spelling of 273215404000 in words is "two hundred seventy-three billion, two hundred fifteen million, four hundred four thousand".