243724064454 has 32 divisors (see below), whose sum is σ = 583271267040. Its totient is φ = 74992019616.

The previous prime is 243724064447. The next prime is 243724064477. The reversal of 243724064454 is 454460427342.

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, 173591937 + ... + 173593340.

It is an arithmetic number, because the mean of its divisors is an integer number (18227227095).

Almost surely, 2^243724064454 is an apocalyptic number.

243724064454 is an abundant number, since it is smaller than the sum of its proper divisors (339547202586).

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

243724064454 is a wasteful number, since it uses less digits than its factorization.

243724064454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347185301 (or 347185295 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 45.

The spelling of 243724064454 in words is "two hundred forty-three billion, seven hundred twenty-four million, sixty-four thousand, four hundred fifty-four".