240002403 has 8 divisors (see below), whose sum is σ = 330326016. Its totient is φ = 154840200.

The previous prime is 240002377. The next prime is 240002423. The reversal of 240002403 is 304200042.

It is a happy number.

240002403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 240002403 - 2⁹ = 240001891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240002423) 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, 1290243 + ... + 1290428.

It is an arithmetic number, because the mean of its divisors is an integer number (41290752).

Almost surely, 2^240002403 is an apocalyptic number.

240002403 is a deficient number, since it is larger than the sum of its proper divisors (90323613).

240002403 is a wasteful number, since it uses less digits than its factorization.

240002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580705.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 240002403 is about 15492.0109411270. The cubic root of 240002403 is about 621.4485752615.

Adding to 240002403 its reverse (304200042), we get a palindrome (544202445).

The spelling of 240002403 in words is "two hundred forty million, two thousand, four hundred three".