406240306533001 has 4 divisors (see below), whose sum is σ = 407983827162132. Its totient is φ = 404496785903872.

The previous prime is 406240306532999. The next prime is 406240306533059. The reversal of 406240306533001 is 100335603042604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47576402929225 + 358663903603776 = 6897565^2 + 18938424^2 .

It is a cyclic number.

It is not a de Polignac number, because 406240306533001 - 2¹ = 406240306532999 is a prime.

It is a super-2 number, since 2×406240306533001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406240336533001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871760314216 + ... + 871760314681.

It is an arithmetic number, because the mean of its divisors is an integer number (101995956790533).

Almost surely, 2^{406240306533001} is an apocalyptic number.

It is an amenable number.

406240306533001 is a deficient number, since it is larger than the sum of its proper divisors (1743520629131).

406240306533001 is a wasteful number, since it uses less digits than its factorization.

406240306533001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743520629130.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 406240306533001 its reverse (100335603042604), we get a palindrome (506575909575605).

The spelling of 406240306533001 in words is "four hundred six trillion, two hundred forty billion, three hundred six million, five hundred thirty-three thousand, one".