240412403 has 16 divisors (see below), whose sum is σ = 302654976. Its totient is φ = 185509440.

The previous prime is 240412369. The next prime is 240412411. The reversal of 240412403 is 304214042.

It is a cyclic number.

It is not a de Polignac number, because 240412403 - 2¹⁸ = 240150259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240412423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7226 + ... + 23087.

It is an arithmetic number, because the mean of its divisors is an integer number (18915936).

Almost surely, 2^240412403 is an apocalyptic number.

240412403 is a deficient number, since it is larger than the sum of its proper divisors (62242573).

240412403 is a wasteful number, since it uses less digits than its factorization.

240412403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30434.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 240412403 is about 15505.2379214251. The cubic root of 240412403 is about 621.8022508369.

Adding to 240412403 its reverse (304214042), we get a palindrome (544626445).

The spelling of 240412403 in words is "two hundred forty million, four hundred twelve thousand, four hundred three".