6406776046 has 32 divisors (see below), whose sum is σ = 10580451840. Its totient is φ = 2885414400.

The previous prime is 6406776037. The next prime is 6406776073.

6406776046 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6406775987 and 6406776005.

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 15 ways as a sum of consecutive naturals, for example, 1762651 + ... + 1766281.

It is an arithmetic number, because the mean of its divisors is an integer number (330639120).

Almost surely, 2^6406776046 is an apocalyptic number.

6406776046 is a deficient number, since it is larger than the sum of its proper divisors (4173675794).

6406776046 is a wasteful number, since it uses less digits than its factorization.

6406776046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 6406776046 is about 80042.3390837624. The cubic root of 6406776046 is about 1857.2905444055.

The spelling of 6406776046 in words is "six billion, four hundred six million, seven hundred seventy-six thousand, forty-six".