242407660 has 48 divisors (see below), whose sum is σ = 559399680. Its totient is φ = 87503040.

The previous prime is 242407651. The next prime is 242407661. The reversal of 242407660 is 66704242.

It is a super-2 number, since 2×242407660² = 117522947253351200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242407661) 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, 26617 + ... + 34543.

It is an arithmetic number, because the mean of its divisors is an integer number (11654160).

Almost surely, 2^242407660 is an apocalyptic number.

242407660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242407660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279699840).

242407660 is an abundant number, since it is smaller than the sum of its proper divisors (316992020).

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

242407660 is a wasteful number, since it uses less digits than its factorization.

242407660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086 (or 8084 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 242407660 is about 15569.4463613836. The cubic root of 242407660 is about 623.5176903925.

The spelling of 242407660 in words is "two hundred forty-two million, four hundred seven thousand, six hundred sixty".