272813198400 has 504 divisors, whose sum is σ = 1037354933160. Its totient is φ = 67758981120.

The previous prime is 272813198393. The next prime is 272813198447. The reversal of 272813198400 is 4891318272.

It is a happy number.

272813198400 is a `hidden beast` number, since 2 + 7 + 28 + 131 + 98 + 400 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 76613811264 + 196199387136 = 276792^2 + 442944^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23739856 + ... + 23751344.

It is an arithmetic number, because the mean of its divisors is an integer number (2058243915).

Almost surely, 2^272813198400 is an apocalyptic number.

272813198400 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 272813198400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518677466580).

272813198400 is an abundant number, since it is smaller than the sum of its proper divisors (764541734760).

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

272813198400 is a wasteful number, since it uses less digits than its factorization.

272813198400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11631 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 272813198400 in words is "two hundred seventy-two billion, eight hundred thirteen million, one hundred ninety-eight thousand, four hundred".