2400200243 has 4 divisors (see below), whose sum is σ = 2743086000. Its totient is φ = 2057314488.

The previous prime is 2400200221. The next prime is 2400200261. The reversal of 2400200243 is 3420020042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420020042 = 2 ⋅1710010021.

It is a cyclic number.

It is not a de Polignac number, because 2400200243 - 2¹⁶ = 2400134707 is a prime.

It is a super-2 number, since 2×2400200243² = 11521922412994518098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400202243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 171442868 + ... + 171442881.

It is an arithmetic number, because the mean of its divisors is an integer number (685771500).

Almost surely, 2^2400200243 is an apocalyptic number.

2400200243 is a deficient number, since it is larger than the sum of its proper divisors (342885757).

2400200243 is an equidigital number, since it uses as much as digits as its factorization.

2400200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342885756.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2400200243 is about 48991.8385345968. The cubic root of 2400200243 is about 1338.9031350350.

Adding to 2400200243 its reverse (3420020042), we get a palindrome (5820220285).

The spelling of 2400200243 in words is "two billion, four hundred million, two hundred thousand, two hundred forty-three".