43814685678842 has 32 divisors (see below), whose sum is σ = 73155233410560. Its totient is φ = 19544517783360.

The previous prime is 43814685678823. The next prime is 43814685678887. The reversal of 43814685678842 is 24887658641834.

It is a happy number.

It is a super-2 number, since 2×43814685678842² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43814685678842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34539092 + ... + 35785167.

It is an arithmetic number, because the mean of its divisors is an integer number (2286101044080).

Almost surely, 2^{43814685678842} is an apocalyptic number.

43814685678842 is a deficient number, since it is larger than the sum of its proper divisors (29340547731718).

43814685678842 is a wasteful number, since it uses less digits than its factorization.

43814685678842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70325078.

The product of its digits is 1981808640, while the sum is 74.

The spelling of 43814685678842 in words is "forty-three trillion, eight hundred fourteen billion, six hundred eighty-five million, six hundred seventy-eight thousand, eight hundred forty-two".