240221624593 has 4 divisors (see below), whose sum is σ = 240222660580. Its totient is φ = 240220588608.

The previous prime is 240221624569. The next prime is 240221624597. The reversal of 240221624593 is 395426122042.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 222791552064 + 17430072529 = 472008^2 + 132023^2 .

It is a cyclic number.

It is not a de Polignac number, because 240221624593 - 2²¹ = 240219527441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240221624597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573 + ... + 693181.

It is an arithmetic number, because the mean of its divisors is an integer number (60055665145).

Almost surely, 2^240221624593 is an apocalyptic number.

It is an amenable number.

240221624593 is a deficient number, since it is larger than the sum of its proper divisors (1035987).

240221624593 is an equidigital number, since it uses as much as digits as its factorization.

240221624593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035986.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 240221624593 in words is "two hundred forty billion, two hundred twenty-one million, six hundred twenty-four thousand, five hundred ninety-three".