242832478 has 16 divisors (see below), whose sum is σ = 416553984. Its totient is φ = 104003640.

The previous prime is 242832467. The next prime is 242832479. The reversal of 242832478 is 874238242.

It is a happy number.

It is a super-2 number, since 2×242832478² = 117935224743240968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242832478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242832479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21163 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (26034624).

Almost surely, 2^242832478 is an apocalyptic number.

242832478 is a deficient number, since it is larger than the sum of its proper divisors (173721506).

242832478 is a wasteful number, since it uses less digits than its factorization.

242832478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11247.

The product of its digits is 172032, while the sum is 40.

The square root of 242832478 is about 15583.0830710742. The cubic root of 242832478 is about 623.8817148547.

The spelling of 242832478 in words is "two hundred forty-two million, eight hundred thirty-two thousand, four hundred seventy-eight".