406454043 has 4 divisors (see below), whose sum is σ = 541938728. Its totient is φ = 270969360.

The previous prime is 406454039. The next prime is 406454063. The reversal of 406454043 is 340454604.

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

It is not a de Polignac number, because 406454043 - 2² = 406454039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406454043.

It is not an unprimeable number, because it can be changed into a prime (406454063) 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, 67742338 + ... + 67742343.

It is an arithmetic number, because the mean of its divisors is an integer number (135484682).

Almost surely, 2^406454043 is an apocalyptic number.

406454043 is a deficient number, since it is larger than the sum of its proper divisors (135484685).

406454043 is a wasteful number, since it uses less digits than its factorization.

406454043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135484684.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 406454043 is about 20160.7054192059. The cubic root of 406454043 is about 740.7479915454.

The spelling of 406454043 in words is "four hundred six million, four hundred fifty-four thousand, forty-three".