4465144415644 has 18 divisors (see below), whose sum is σ = 8588945147552. Its totient is φ = 2029611097800.

The previous prime is 4465144415531. The next prime is 4465144415647.

It is a happy number.

4465144415644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4465144415591 and 4465144415600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4465144415647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4612752012 + ... + 4612752979.

Almost surely, 2^{4465144415644} is an apocalyptic number.

4465144415644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4465144415644 is a deficient number, since it is larger than the sum of its proper divisors (4123800731908).

4465144415644 is a wasteful number, since it uses less digits than its factorization.

4465144415644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225505017 (or 9225505004 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 52.

The spelling of 4465144415644 in words is "four trillion, four hundred sixty-five billion, one hundred forty-four million, four hundred fifteen thousand, six hundred forty-four".