2113400042 has 16 divisors (see below), whose sum is σ = 3428248320. Its totient is φ = 971331312.

The previous prime is 2113400017. The next prime is 2113400059. The reversal of 2113400042 is 2400043112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163838 + ... + 176265.

It is an arithmetic number, because the mean of its divisors is an integer number (214265520).

Almost surely, 2^2113400042 is an apocalyptic number.

2113400042 is a deficient number, since it is larger than the sum of its proper divisors (1314848278).

2113400042 is a wasteful number, since it uses less digits than its factorization.

2113400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340357.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2113400042 is about 45971.7309006307. The cubic root of 2113400042 is about 1283.2971720775.

Adding to 2113400042 its reverse (2400043112), we get a palindrome (4513443154).

The spelling of 2113400042 in words is "two billion, one hundred thirteen million, four hundred thousand, forty-two".