2400238403 has 16 divisors (see below), whose sum is σ = 2542080000. Its totient is φ = 2260003680.

The previous prime is 2400238367. The next prime is 2400238409. The reversal of 2400238403 is 3048320042.

It is a cyclic number.

It is not a de Polignac number, because 2400238403 - 2²⁰ = 2399189827 is a prime.

It is a super-2 number, since 2×2400238403² = 11522288782471980818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400238409) 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, 3630893 + ... + 3631553.

It is an arithmetic number, because the mean of its divisors is an integer number (158880000).

Almost surely, 2^2400238403 is an apocalyptic number.

2400238403 is a deficient number, since it is larger than the sum of its proper divisors (141841597).

2400238403 is a wasteful number, since it uses less digits than its factorization.

2400238403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2400238403 is about 48992.2279856714. The cubic root of 2400238403 is about 1338.9102305920.

Adding to 2400238403 its reverse (3048320042), we get a palindrome (5448558445).

The spelling of 2400238403 in words is "two billion, four hundred million, two hundred thirty-eight thousand, four hundred three".