243204001044 has 48 divisors (see below), whose sum is σ = 569855590080. Its totient is φ = 80728577280.

The previous prime is 243204001037. The next prime is 243204001091. The reversal of 243204001044 is 440100402342.

It is a happy number.

It is a super-2 number, since 2×243204001044² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3803167 + ... + 3866585.

It is an arithmetic number, because the mean of its divisors is an integer number (11871991460).

Almost surely, 2^243204001044 is an apocalyptic number.

It is an amenable number.

243204001044 is an abundant number, since it is smaller than the sum of its proper divisors (326651589036).

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

243204001044 is a wasteful number, since it uses less digits than its factorization.

243204001044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64760 (or 64758 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 243204001044 its reverse (440100402342), we get a palindrome (683304403386).

The spelling of 243204001044 in words is "two hundred forty-three billion, two hundred four million, one thousand, forty-four".