243004325321040 has 40 divisors (see below), whose sum is σ = 753313408495968. Its totient is φ = 64801153418880.

The previous prime is 243004325321003. The next prime is 243004325321063. The reversal of 243004325321040 is 40123523400342.

243004325321040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×243004325321040² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243004325320992 and 243004325321010.

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, 506259010846 + ... + 506259011325.

Almost surely, 2^{243004325321040} is an apocalyptic number.

243004325321040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243004325321040 is an abundant number, since it is smaller than the sum of its proper divisors (510309083174928).

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

243004325321040 is a wasteful number, since it uses less digits than its factorization.

243004325321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012518022187 (or 1012518022181 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 243004325321040 its reverse (40123523400342), we get a palindrome (283127848721382).

The spelling of 243004325321040 in words is "two hundred forty-three trillion, four billion, three hundred twenty-five million, three hundred twenty-one thousand, forty".