240440355 has 12 divisors (see below), whose sum is σ = 416763360. Its totient is φ = 128234832.

The previous prime is 240440341. The next prime is 240440377. The reversal of 240440355 is 553044042.

It is not a de Polignac number, because 240440355 - 2⁵ = 240440323 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2671515 + ... + 2671604.

It is an arithmetic number, because the mean of its divisors is an integer number (34730280).

Almost surely, 2^240440355 is an apocalyptic number.

240440355 is a deficient number, since it is larger than the sum of its proper divisors (176323005).

240440355 is a wasteful number, since it uses less digits than its factorization.

240440355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343130 (or 5343127 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 240440355 is about 15506.1392680448. The cubic root of 240440355 is about 621.8263482389.

Adding to 240440355 its reverse (553044042), we get a palindrome (793484397).

The spelling of 240440355 in words is "two hundred forty million, four hundred forty thousand, three hundred fifty-five".