243904926832 has 30 divisors (see below), whose sum is σ = 549719396808. Its totient is φ = 104530682592.

The previous prime is 243904926781. The next prime is 243904926833. The reversal of 243904926832 is 238629409342.

It is a super-2 number, since 2×243904926832² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243904926832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243904926833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155550828 + ... + 155552395.

Almost surely, 2^243904926832 is an apocalyptic number.

It is an amenable number.

243904926832 is an abundant number, since it is smaller than the sum of its proper divisors (305814469976).

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

243904926832 is a wasteful number, since it uses less digits than its factorization.

243904926832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311103245 (or 311103232 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 243904926832 in words is "two hundred forty-three billion, nine hundred four million, nine hundred twenty-six thousand, eight hundred thirty-two".