242499564 has 36 divisors (see below), whose sum is σ = 614446560. Its totient is φ = 80640480.

The previous prime is 242499559. The next prime is 242499571. The reversal of 242499564 is 465994242.

242499564 is a `hidden beast` number, since 2 + 42 + 49 + 9 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7702 + ... + 23330.

It is an arithmetic number, because the mean of its divisors is an integer number (17067960).

Almost surely, 2^242499564 is an apocalyptic number.

It is an amenable number.

242499564 is an abundant number, since it is smaller than the sum of its proper divisors (371946996).

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

242499564 is a wasteful number, since it uses less digits than its factorization.

242499564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070 (or 16065 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 242499564 is about 15572.3975032748. The cubic root of 242499564 is about 623.5964785098.

The spelling of 242499564 in words is "two hundred forty-two million, four hundred ninety-nine thousand, five hundred sixty-four".