240504216 has 32 divisors (see below), whose sum is σ = 601680960. Its totient is φ = 80112032.

The previous prime is 240504211. The next prime is 240504227. The reversal of 240504216 is 612405042.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240504211) 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, 45571 + ... + 50573.

It is an arithmetic number, because the mean of its divisors is an integer number (18802530).

Almost surely, 2^240504216 is an apocalyptic number.

It is an amenable number.

240504216 is an abundant number, since it is smaller than the sum of its proper divisors (361176744).

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

240504216 is a wasteful number, since it uses less digits than its factorization.

240504216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 240504216 is about 15508.1983479707. The cubic root of 240504216 is about 621.8813957609.

Adding to 240504216 its reverse (612405042), we get a palindrome (852909258).

The spelling of 240504216 in words is "two hundred forty million, five hundred four thousand, two hundred sixteen".