405420444201 has 8 divisors (see below), whose sum is σ = 540983902464. Its totient is φ = 270068641040.

The previous prime is 405420444199. The next prime is 405420444287. The reversal of 405420444201 is 102444024504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405420444201 - 2¹ = 405420444199 is a prime.

It is a super-2 number, since 2×405420444201² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405420444601) 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, 52909305 + ... + 52916966.

It is an arithmetic number, because the mean of its divisors is an integer number (67622987808).

Almost surely, 2^405420444201 is an apocalyptic number.

It is an amenable number.

405420444201 is a deficient number, since it is larger than the sum of its proper divisors (135563458263).

405420444201 is a wasteful number, since it uses less digits than its factorization.

405420444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105827551.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 405420444201 its reverse (102444024504), we get a palindrome (507864468705).

The spelling of 405420444201 in words is "four hundred five billion, four hundred twenty million, four hundred forty-four thousand, two hundred one".