273399952320 has 448 divisors, whose sum is σ = 1077853754880. Its totient is φ = 64661299200.

The previous prime is 273399952313. The next prime is 273399952339. The reversal of 273399952320 is 23259993372.

It is a happy number.

273399952320 is a `hidden beast` number, since 2 + 7 + 3 + 3 + 9 + 99 + 523 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3861559 + ... + 3931721.

It is an arithmetic number, because the mean of its divisors is an integer number (2405923560).

Almost surely, 2^273399952320 is an apocalyptic number.

273399952320 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 273399952320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538926877440).

273399952320 is an abundant number, since it is smaller than the sum of its proper divisors (804453802560).

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

273399952320 is a wasteful number, since it uses less digits than its factorization.

273399952320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70241 (or 70225 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The spelling of 273399952320 in words is "two hundred seventy-three billion, three hundred ninety-nine million, nine hundred fifty-two thousand, three hundred twenty".