242663980 has 48 divisors (see below), whose sum is σ = 553190400. Its totient is φ = 88881408.

The previous prime is 242663977. The next prime is 242663987. The reversal of 242663980 is 89366242.

242663980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (242663987) 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, 29346 + ... + 36694.

It is an arithmetic number, because the mean of its divisors is an integer number (11524800).

Almost surely, 2^242663980 is an apocalyptic number.

242663980 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 242663980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276595200).

242663980 is an abundant number, since it is smaller than the sum of its proper divisors (310526420).

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

242663980 is a wasteful number, since it uses less digits than its factorization.

242663980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498 (or 7496 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 242663980 is about 15577.6756931193. The cubic root of 242663980 is about 623.7373805852.

The spelling of 242663980 in words is "two hundred forty-two million, six hundred sixty-three thousand, nine hundred eighty".