242400403 has 6 divisors (see below), whose sum is σ = 281976036. Its totient is φ = 207771732.

The previous prime is 242400401. The next prime is 242400443. The reversal of 242400403 is 304004242.

It is not a de Polignac number, because 242400403 - 2¹ = 242400401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242400401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2473425 + ... + 2473522.

It is an arithmetic number, because the mean of its divisors is an integer number (46996006).

Almost surely, 2^242400403 is an apocalyptic number.

242400403 is a deficient number, since it is larger than the sum of its proper divisors (39575633).

242400403 is an equidigital number, since it uses as much as digits as its factorization.

242400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946961 (or 4946954 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242400403 is about 15569.2133070364. The cubic root of 242400403 is about 623.5114682114.

Adding to 242400403 its reverse (304004242), we get a palindrome (546404645).

The spelling of 242400403 in words is "two hundred forty-two million, four hundred thousand, four hundred three".