43234403642 has 8 divisors (see below), whose sum is σ = 66943592832. Its totient is φ = 20919872700.

The previous prime is 43234403603. The next prime is 43234403647. The reversal of 43234403642 is 24630443234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (43234403647) 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, 348664484 + ... + 348664607.

It is an arithmetic number, because the mean of its divisors is an integer number (8367949104).

Almost surely, 2^43234403642 is an apocalyptic number.

43234403642 is a deficient number, since it is larger than the sum of its proper divisors (23709189190).

43234403642 is a wasteful number, since it uses less digits than its factorization.

43234403642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697329124.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 43234403642 its reverse (24630443234), we get a palindrome (67864846876).

The spelling of 43234403642 in words is "forty-three billion, two hundred thirty-four million, four hundred three thousand, six hundred forty-two".