243030019448496 has 320 divisors, whose sum is σ = 781374988800000. Its totient is φ = 63510170121216.

The previous prime is 243030019448443. The next prime is 243030019448497. The reversal of 243030019448496 is 694844910030342.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (243030019448497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3913558855 + ... + 3913620953.

It is an arithmetic number, because the mean of its divisors is an integer number (2441796840000).

Almost surely, 2^{243030019448496} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243030019448496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390687494400000).

243030019448496 is an abundant number, since it is smaller than the sum of its proper divisors (538344969351504).

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

243030019448496 is a wasteful number, since it uses less digits than its factorization.

243030019448496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83304 (or 83298 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 243030019448496 in words is "two hundred forty-three trillion, thirty billion, nineteen million, four hundred forty-eight thousand, four hundred ninety-six".