9144400667020 has 24 divisors (see below), whose sum is σ = 19207153450800. Its totient is φ = 3657015114432.

The previous prime is 9144400667011. The next prime is 9144400667021. The reversal of 9144400667020 is 207660044419.

It is not an unprimeable number, because it can be changed into a prime (9144400667021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46471390 + ... + 46667749.

It is an arithmetic number, because the mean of its divisors is an integer number (800298060450).

Almost surely, 2^{9144400667020} is an apocalyptic number.

It is an amenable number.

9144400667020 is an abundant number, since it is smaller than the sum of its proper divisors (10062752783780).

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

9144400667020 is a wasteful number, since it uses less digits than its factorization.

9144400667020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93144057 (or 93144055 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 9144400667020 in words is "nine trillion, one hundred forty-four billion, four hundred million, six hundred sixty-seven thousand, twenty".