4001431050465 has 16 divisors (see below), whose sum is σ = 6739252296000. Its totient is φ = 2021775688512.

The previous prime is 4001431050443. The next prime is 4001431050469. The reversal of 4001431050465 is 5640501341004.

4001431050465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4001431050465 - 2³⁰ = 4000357308641 is a prime.

It is a super-2 number, since 2×4001431050465² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001431050469) 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, 7020054190 + ... + 7020054759.

It is an arithmetic number, because the mean of its divisors is an integer number (421203268500).

Almost surely, 2^{4001431050465} is an apocalyptic number.

It is an amenable number.

4001431050465 is a deficient number, since it is larger than the sum of its proper divisors (2737821245535).

4001431050465 is a wasteful number, since it uses less digits than its factorization.

4001431050465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040108976.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 4001431050465 its reverse (5640501341004), we get a palindrome (9641932391469).

The spelling of 4001431050465 in words is "four trillion, one billion, four hundred thirty-one million, fifty thousand, four hundred sixty-five".