2043400034 has 32 divisors (see below), whose sum is σ = 3505856256. Its totient is φ = 884885760.

The previous prime is 2043400031. The next prime is 2043400129. The reversal of 2043400034 is 4300043402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2043399979 and 2043400015.

It is not an unprimeable number, because it can be changed into a prime (2043400031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139319 + ... + 153285.

It is an arithmetic number, because the mean of its divisors is an integer number (109558008).

Almost surely, 2^2043400034 is an apocalyptic number.

2043400034 is a deficient number, since it is larger than the sum of its proper divisors (1462456222).

2043400034 is a wasteful number, since it uses less digits than its factorization.

2043400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330.

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

The square root of 2043400034 is about 45203.9825015451. The cubic root of 2043400034 is about 1268.9693487823.

Adding to 2043400034 its reverse (4300043402), we get a palindrome (6343443436).

The spelling of 2043400034 in words is "two billion, forty-three million, four hundred thousand, thirty-four".