243265478802 has 8 divisors (see below), whose sum is σ = 486530957616. Its totient is φ = 81088492932.

The previous prime is 243265478783. The next prime is 243265478821. The reversal of 243265478802 is 208874562342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243265478783) and next prime (243265478821).

It is a sphenic number, since it is the product of 3 distinct primes.

243265478802 is an admirable number.

It is a super-2 number, since 2×243265478802² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20272123228 + ... + 20272123239.

It is an arithmetic number, because the mean of its divisors is an integer number (60816369702).

Almost surely, 2^243265478802 is an apocalyptic number.

243265478802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243265478802 is a wasteful number, since it uses less digits than its factorization.

243265478802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544246472.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 243265478802 in words is "two hundred forty-three billion, two hundred sixty-five million, four hundred seventy-eight thousand, eight hundred two".