406241042 has 16 divisors (see below), whose sum is σ = 636396480. Its totient is φ = 194123952.

The previous prime is 406241041. The next prime is 406241053. The reversal of 406241042 is 240142604.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 406240999 and 406241017.

It is not an unprimeable number, because it can be changed into a prime (406241041) 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, 64088 + ... + 70140.

It is an arithmetic number, because the mean of its divisors is an integer number (39774780).

Almost surely, 2^406241042 is an apocalyptic number.

406241042 is a deficient number, since it is larger than the sum of its proper divisors (230155438).

406241042 is a wasteful number, since it uses less digits than its factorization.

406241042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 406241042 is about 20155.4221488909. The cubic root of 406241042 is about 740.6185733614.

Adding to 406241042 its reverse (240142604), we get a palindrome (646383646).

The spelling of 406241042 in words is "four hundred six million, two hundred forty-one thousand, forty-two".