273457315980 has 192 divisors, whose sum is σ = 886431168000. Its totient is φ = 69900316416.

The previous prime is 273457315969. The next prime is 273457315981. The reversal of 273457315980 is 89513754372.

273457315980 is a `hidden beast` number, since 2 + 7 + 3 + 45 + 7 + 3 + 1 + 598 + 0 = 666.

273457315980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (273457315981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2113927 + ... + 2239553.

It is an arithmetic number, because the mean of its divisors is an integer number (4616829000).

Almost surely, 2^273457315980 is an apocalyptic number.

273457315980 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 273457315980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443215584000).

273457315980 is an abundant number, since it is smaller than the sum of its proper divisors (612973852020).

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

273457315980 is a wasteful number, since it uses less digits than its factorization.

273457315980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125813 (or 125805 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 273457315980 in words is "two hundred seventy-three billion, four hundred fifty-seven million, three hundred fifteen thousand, nine hundred eighty".