242667740 has 48 divisors (see below), whose sum is σ = 584113152. Its totient is φ = 82956096.

The previous prime is 242667731. The next prime is 242667743. The reversal of 242667740 is 47766242.

It is a junction number, because it is equal to n+sod(n) for n = 242667694 and 242667703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242667743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49019 + ... + 53741.

It is an arithmetic number, because the mean of its divisors is an integer number (12169024).

Almost surely, 2^242667740 is an apocalyptic number.

242667740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242667740 is an abundant number, since it is smaller than the sum of its proper divisors (341445412).

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

242667740 is a wasteful number, since it uses less digits than its factorization.

242667740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5104 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 242667740 is about 15577.7963781788. The cubic root of 242667740 is about 623.7406021050.

The spelling of 242667740 in words is "two hundred forty-two million, six hundred sixty-seven thousand, seven hundred forty".