43620433146618 has 16 divisors (see below), whose sum is σ = 92372681957760. Its totient is φ = 13684841771456.

The previous prime is 43620433146583. The next prime is 43620433146679. The reversal of 43620433146618 is 81664133402634.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213825652578 + ... + 213825652781.

It is an arithmetic number, because the mean of its divisors is an integer number (5773292622360).

Almost surely, 2^{43620433146618} is an apocalyptic number.

43620433146618 is an abundant number, since it is smaller than the sum of its proper divisors (48752248811142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43620433146618 is a wasteful number, since it uses less digits than its factorization.

43620433146618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427651305381.

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 43620433146618 in words is "forty-three trillion, six hundred twenty billion, four hundred thirty-three million, one hundred forty-six thousand, six hundred eighteen".