240321064 has 8 divisors (see below), whose sum is σ = 450602010. Its totient is φ = 120160528.

The previous prime is 240321019. The next prime is 240321071. The reversal of 240321064 is 460123042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 165636900 + 74684164 = 12870^2 + 8642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020059 + ... + 15020074.

Almost surely, 2^240321064 is an apocalyptic number.

It is an amenable number.

240321064 is a deficient number, since it is larger than the sum of its proper divisors (210280946).

240321064 is a wasteful number, since it uses less digits than its factorization.

240321064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30040139 (or 30040135 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 240321064 is about 15502.2922176045. The cubic root of 240321064 is about 621.7234945148.

The spelling of 240321064 in words is "two hundred forty million, three hundred twenty-one thousand, sixty-four".