240321401 has 8 divisors (see below), whose sum is σ = 261335880. Its totient is φ = 220071168.

The previous prime is 240321373. The next prime is 240321407. The reversal of 240321401 is 104123042.

240321401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 182925625 + 57395776 = 13525^2 + 7576^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240321401 - 2¹⁴ = 240305017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240321401.

It is not an unprimeable number, because it can be changed into a prime (240321407) 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, 190406 + ... + 191663.

It is an arithmetic number, because the mean of its divisors is an integer number (32666985).

Almost surely, 2^240321401 is an apocalyptic number.

It is an amenable number.

240321401 is a deficient number, since it is larger than the sum of its proper divisors (21014479).

240321401 is a wasteful number, since it uses less digits than its factorization.

240321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382123.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240321401 is about 15502.3030869610. The cubic root of 240321401 is about 621.7237851270.

Adding to 240321401 its reverse (104123042), we get a palindrome (344444443).

The spelling of 240321401 in words is "two hundred forty million, three hundred twenty-one thousand, four hundred one".