243428822742 has 48 divisors (see below), whose sum is σ = 566458039152. Its totient is φ = 69537162240.

The previous prime is 243428822731. The next prime is 243428822743. The reversal of 243428822742 is 247228824342.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 243428822691 and 243428822700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243428822743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1434642 + ... + 1595322.

It is an arithmetic number, because the mean of its divisors is an integer number (11801209149).

Almost surely, 2^243428822742 is an apocalyptic number.

243428822742 is an abundant number, since it is smaller than the sum of its proper divisors (323029216410).

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

243428822742 is a wasteful number, since it uses less digits than its factorization.

243428822742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165853 (or 165846 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 48.

The spelling of 243428822742 in words is "two hundred forty-three billion, four hundred twenty-eight million, eight hundred twenty-two thousand, seven hundred forty-two".