43305380673842 has 96 divisors (see below), whose sum is σ = 76314882623616. Its totient is φ = 18376111353600.

The previous prime is 43305380673833. The next prime is 43305380673851. The reversal of 43305380673842 is 24837608350334.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43305380673833) and next prime (43305380673851).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2794428638 + ... + 2794444134.

It is an arithmetic number, because the mean of its divisors is an integer number (794946693996).

Almost surely, 2^{43305380673842} is an apocalyptic number.

43305380673842 is a deficient number, since it is larger than the sum of its proper divisors (33009501949774).

43305380673842 is a wasteful number, since it uses less digits than its factorization.

43305380673842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16432 (or 16425 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 43305380673842 in words is "forty-three trillion, three hundred five billion, three hundred eighty million, six hundred seventy-three thousand, eight hundred forty-two".