144404377618 has 16 divisors (see below), whose sum is σ = 229438881504. Its totient is φ = 67928111680.

The previous prime is 144404377603. The next prime is 144404377627. The reversal of 144404377618 is 816773404441.

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, 752980 + ... + 925087.

It is an arithmetic number, because the mean of its divisors is an integer number (14339930094).

Almost surely, 2^144404377618 is an apocalyptic number.

144404377618 is a deficient number, since it is larger than the sum of its proper divisors (85034503886).

144404377618 is a wasteful number, since it uses less digits than its factorization.

144404377618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680617.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 144404377618 in words is "one hundred forty-four billion, four hundred four million, three hundred seventy-seven thousand, six hundred eighteen".