2443400003 has 4 divisors (see below), whose sum is σ = 2665527288. Its totient is φ = 2221272720.

The previous prime is 2443399997. The next prime is 2443400041. The reversal of 2443400003 is 3000043442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2443400003 - 2⁶ = 2443399939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443400903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111063626 + ... + 111063647.

It is an arithmetic number, because the mean of its divisors is an integer number (666381822).

Almost surely, 2^2443400003 is an apocalyptic number.

2443400003 is a deficient number, since it is larger than the sum of its proper divisors (222127285).

2443400003 is a wasteful number, since it uses less digits than its factorization.

2443400003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222127284.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2443400003 is about 49430.7596846336. The cubic root of 2443400003 is about 1346.8881232443. Note that the first 3 decimals are identical.

Adding to 2443400003 its reverse (3000043442), we get a palindrome (5443443445).

The spelling of 2443400003 in words is "two billion, four hundred forty-three million, four hundred thousand, three".