43238735842 has 16 divisors (see below), whose sum is σ = 65357928000. Its totient is φ = 21453046960.

The previous prime is 43238735821. The next prime is 43238735843. The reversal of 43238735842 is 24853783234.

It is not an unprimeable number, because it can be changed into a prime (43238735843) 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 7 ways as a sum of consecutive naturals, for example, 232467 + ... + 374857.

It is an arithmetic number, because the mean of its divisors is an integer number (4084870500).

Almost surely, 2^43238735842 is an apocalyptic number.

43238735842 is a deficient number, since it is larger than the sum of its proper divisors (22119192158).

43238735842 is a wasteful number, since it uses less digits than its factorization.

43238735842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143561.

The product of its digits is 3870720, while the sum is 49.

The spelling of 43238735842 in words is "forty-three billion, two hundred thirty-eight million, seven hundred thirty-five thousand, eight hundred forty-two".