272355143430 has 128 divisors (see below), whose sum is σ = 716335228800. Its totient is φ = 65964867584.

The previous prime is 272355143383. The next prime is 272355143441. The reversal of 272355143430 is 34341553272.

It is a happy number.

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, 40713526 + ... + 40720214.

It is an arithmetic number, because the mean of its divisors is an integer number (5596368975).

Almost surely, 2^272355143430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272355143430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358167614400).

272355143430 is an abundant number, since it is smaller than the sum of its proper divisors (443980085370).

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

272355143430 is a wasteful number, since it uses less digits than its factorization.

272355143430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 272355143430 in words is "two hundred seventy-two billion, three hundred fifty-five million, one hundred forty-three thousand, four hundred thirty".