406200027016021 has 16 divisors (see below), whose sum is σ = 484502378102784. Its totient is φ = 332971740099504.

The previous prime is 406200027015973. The next prime is 406200027016037. The reversal of 406200027016021 is 120610720002604.

It is a cyclic number.

It is not a de Polignac number, because 406200027016021 - 2¹¹ = 406200027013973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406200027016051) 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, 233305845 + ... + 235040458.

It is an arithmetic number, because the mean of its divisors is an integer number (30281398631424).

Almost surely, 2^{406200027016021} is an apocalyptic number.

It is an amenable number.

406200027016021 is a deficient number, since it is larger than the sum of its proper divisors (78302351086763).

406200027016021 is a wasteful number, since it uses less digits than its factorization.

406200027016021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468351720.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 406200027016021 its reverse (120610720002604), we get a palindrome (526810747018625).

The spelling of 406200027016021 in words is "four hundred six trillion, two hundred billion, twenty-seven million, sixteen thousand, twenty-one".