406740041 has 8 divisors (see below), whose sum is σ = 414223200. Its totient is φ = 399276640.

The previous prime is 406740017. The next prime is 406740071. The reversal of 406740041 is 140047604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406740041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406740071) 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, 40370 + ... + 49428.

It is an arithmetic number, because the mean of its divisors is an integer number (51777900).

Almost surely, 2^406740041 is an apocalyptic number.

It is an amenable number.

406740041 is a deficient number, since it is larger than the sum of its proper divisors (7483159).

406740041 is an equidigital number, since it uses as much as digits as its factorization.

406740041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9879.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 406740041 is about 20167.7971280951. The cubic root of 406740041 is about 740.9216911946.

Adding to 406740041 its reverse (140047604), we get a palindrome (546787645).

The spelling of 406740041 in words is "four hundred six million, seven hundred forty thousand, forty-one".