406604606804 has 12 divisors (see below), whose sum is σ = 776245158528. Its totient is φ = 184820275800.

The previous prime is 406604606783. The next prime is 406604606843. The reversal of 406604606804 is 408606406604.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 9241013791 = 406604606804 / (4 + 0 + 6 + 6 + 0 + 4 + 6 + 0 + 6 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4620506852 + ... + 4620506939.

It is an arithmetic number, because the mean of its divisors is an integer number (64687096544).

Almost surely, 2^406604606804 is an apocalyptic number.

406604606804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406604606804 is a deficient number, since it is larger than the sum of its proper divisors (369640551724).

406604606804 is a wasteful number, since it uses less digits than its factorization.

406604606804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241013806 (or 9241013804 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

It can be divided in two parts, 40660 and 4606804, that added together give a palindrome (4647464).

The spelling of 406604606804 in words is "four hundred six billion, six hundred four million, six hundred six thousand, eight hundred four".