406244668804080 has 80 divisors (see below), whose sum is σ = 1264627755786240. Its totient is φ = 107878640068864.

The previous prime is 406244668804057. The next prime is 406244668804129. The reversal of 406244668804080 is 80408866442604.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3541126992 + ... + 3541241711.

It is an arithmetic number, because the mean of its divisors is an integer number (15807846947328).

Almost surely, 2^{406244668804080} is an apocalyptic number.

406244668804080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406244668804080 is an abundant number, since it is smaller than the sum of its proper divisors (858383086982160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406244668804080 is a wasteful number, since it uses less digits than its factorization.

406244668804080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082368958 (or 7082368952 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 406244668804080 in words is "four hundred six trillion, two hundred forty-four billion, six hundred sixty-eight million, eight hundred four thousand, eighty".