406252826078 has 16 divisors (see below), whose sum is σ = 669559927680. Its totient is φ = 183331882200.

The previous prime is 406252826069. The next prime is 406252826081. The reversal of 406252826078 is 870628252604.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66421538 + ... + 66427653.

It is an arithmetic number, because the mean of its divisors is an integer number (41847495480).

Almost surely, 2^406252826078 is an apocalyptic number.

406252826078 is a deficient number, since it is larger than the sum of its proper divisors (263307101602).

406252826078 is a wasteful number, since it uses less digits than its factorization.

406252826078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132849343.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 406252826078 in words is "four hundred six billion, two hundred fifty-two million, eight hundred twenty-six thousand, seventy-eight".