406004400604 has 24 divisors (see below), whose sum is σ = 776084254848. Its totient is φ = 184312944240.

The previous prime is 406004400587. The next prime is 406004400631.

406004400604 is nontrivially palindromic in base 10.

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, 5827744 + ... + 5896999.

It is an arithmetic number, because the mean of its divisors is an integer number (32336843952).

Almost surely, 2^406004400604 is an apocalyptic number.

406004400604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406004400604 is a deficient number, since it is larger than the sum of its proper divisors (370079854244).

406004400604 is a wasteful number, since it uses less digits than its factorization.

406004400604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11725545 (or 11725543 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 406004 and 400604, that added together give a palindrome (806608).

The spelling of 406004400604 in words is "four hundred six billion, four million, four hundred thousand, six hundred four".