38401144642003 has 16 divisors (see below), whose sum is σ = 45141858439776. Its totient is φ = 32205288925440.

The previous prime is 38401144641973. The next prime is 38401144642009. The reversal of 38401144642003 is 30024644110483.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38401144642003 - 2⁵ = 38401144641971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401144642009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80794876 + ... + 81268777.

It is an arithmetic number, because the mean of its divisors is an integer number (2821366152486).

Almost surely, 2^{38401144642003} is an apocalyptic number.

38401144642003 is a deficient number, since it is larger than the sum of its proper divisors (6740713797773).

38401144642003 is a wasteful number, since it uses less digits than its factorization.

38401144642003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162065334.

The product of its (nonzero) digits is 221184, while the sum is 40.

Adding to 38401144642003 its reverse (30024644110483), we get a palindrome (68425788752486).

The spelling of 38401144642003 in words is "thirty-eight trillion, four hundred one billion, one hundred forty-four million, six hundred forty-two thousand, three".