242684737428 has 48 divisors (see below), whose sum is σ = 647661651840. Its totient is φ = 69284673024.

The previous prime is 242684737411. The next prime is 242684737441. The reversal of 242684737428 is 824737486242.

It is a happy number.

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, 1012401 + ... + 1228952.

It is an arithmetic number, because the mean of its divisors is an integer number (13492951080).

Almost surely, 2^242684737428 is an apocalyptic number.

242684737428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

242684737428 is an abundant number, since it is smaller than the sum of its proper divisors (404976914412).

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

242684737428 is a wasteful number, since it uses less digits than its factorization.

242684737428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242656 (or 2242654 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 57.

The spelling of 242684737428 in words is "two hundred forty-two billion, six hundred eighty-four million, seven hundred thirty-seven thousand, four hundred twenty-eight".