406044435135331 has 8 divisors (see below), whose sum is σ = 409000376522880. Its totient is φ = 403097278121472.

The previous prime is 406044435135329. The next prime is 406044435135343. The reversal of 406044435135331 is 133531534440604.

It is a happy number.

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 406044435135331 - 2¹ = 406044435135329 is a prime.

It is a super-2 number, since 2×406044435135331² (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 (406045435135331) 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, 2196000640 + ... + 2196185533.

It is an arithmetic number, because the mean of its divisors is an integer number (51125047065360).

Almost surely, 2^{406044435135331} is an apocalyptic number.

406044435135331 is a deficient number, since it is larger than the sum of its proper divisors (2955941387549).

406044435135331 is a wasteful number, since it uses less digits than its factorization.

406044435135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392186845.

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 406044435135331 its reverse (133531534440604), we get a palindrome (539575969575935).

The spelling of 406044435135331 in words is "four hundred six trillion, forty-four billion, four hundred thirty-five million, one hundred thirty-five thousand, three hundred thirty-one".