242780964 has 48 divisors (see below), whose sum is σ = 591413760. Its totient is φ = 77425920.

The previous prime is 242780963. The next prime is 242780977. The reversal of 242780964 is 469087242.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (242780963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29442 + ... + 36774.

It is an arithmetic number, because the mean of its divisors is an integer number (12321120).

Almost surely, 2^242780964 is an apocalyptic number.

It is an amenable number.

242780964 is an abundant number, since it is smaller than the sum of its proper divisors (348632796).

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

242780964 is a wasteful number, since it uses less digits than its factorization.

242780964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460 (or 7458 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 242780964 is about 15581.4301012455. The cubic root of 242780964 is about 623.8375953918.

The spelling of 242780964 in words is "two hundred forty-two million, seven hundred eighty thousand, nine hundred sixty-four".