243115415004 has 192 divisors, whose sum is σ = 730435829760. Its totient is φ = 61095409920.

The previous prime is 243115415003. The next prime is 243115415063. The reversal of 243115415004 is 400514511342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243115415003) 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, 6099789 + ... + 6139515.

It is an arithmetic number, because the mean of its divisors is an integer number (3804353280).

Almost surely, 2^243115415004 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 243115415004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365217914880).

243115415004 is an abundant number, since it is smaller than the sum of its proper divisors (487320414756).

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

243115415004 is a wasteful number, since it uses less digits than its factorization.

243115415004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39968 (or 39966 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 243115415004 its reverse (400514511342), we get a palindrome (643629926346).

The spelling of 243115415004 in words is "two hundred forty-three billion, one hundred fifteen million, four hundred fifteen thousand, four".