240524428 has 12 divisors (see below), whose sum is σ = 426846672. Its totient is φ = 118568240.

The previous prime is 240524423. The next prime is 240524429. The reversal of 240524428 is 824425042.

It is a self number, because there is not a number n which added to its sum of digits gives 240524428.

It is not an unprimeable number, because it can be changed into a prime (240524423) 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 3 ways as a sum of consecutive naturals, for example, 423175 + ... + 423742.

It is an arithmetic number, because the mean of its divisors is an integer number (35570556).

Almost surely, 2^240524428 is an apocalyptic number.

It is an amenable number.

240524428 is a deficient number, since it is larger than the sum of its proper divisors (186322244).

240524428 is a wasteful number, since it uses less digits than its factorization.

240524428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846992 (or 846990 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 240524428 is about 15508.8499896027. The cubic root of 240524428 is about 621.8988162659.

The spelling of 240524428 in words is "two hundred forty million, five hundred twenty-four thousand, four hundred twenty-eight".