42043263398834 has 16 divisors (see below), whose sum is σ = 64134346492800. Its totient is φ = 20665154066544.

The previous prime is 42043263398833. The next prime is 42043263398923. The reversal of 42043263398834 is 43889336234024.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (42043263398833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12711527 + ... + 15673845.

It is an arithmetic number, because the mean of its divisors is an integer number (4008396655800).

Almost surely, 2^{42043263398834} is an apocalyptic number.

42043263398834 is a deficient number, since it is larger than the sum of its proper divisors (22091083093966).

42043263398834 is a wasteful number, since it uses less digits than its factorization.

42043263398834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082657.

The product of its (nonzero) digits is 71663616, while the sum is 59.

The spelling of 42043263398834 in words is "forty-two trillion, forty-three billion, two hundred sixty-three million, three hundred ninety-eight thousand, eight hundred thirty-four".