243551415036 has 24 divisors (see below), whose sum is σ = 568849881040. Its totient is φ = 81103341312.

The previous prime is 243551414983. The next prime is 243551415083. The reversal of 243551415036 is 630514155342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243551414985 and 243551415003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10045351 + ... + 10069566.

Almost surely, 2^243551415036 is an apocalyptic number.

It is an amenable number.

243551415036 is an abundant number, since it is smaller than the sum of its proper divisors (325298466004).

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

243551415036 is a wasteful number, since it uses less digits than its factorization.

243551415036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115933 (or 20115931 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 243551415036 in words is "two hundred forty-three billion, five hundred fifty-one million, four hundred fifteen thousand, thirty-six".