6406886046 has 64 divisors (see below), whose sum is σ = 14099152896. Its totient is φ = 1924821600.

The previous prime is 6406886041. The next prime is 6406886063.

6406886046 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6406885986 and 6406886004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406886041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4827435 + ... + 4828761.

It is an arithmetic number, because the mean of its divisors is an integer number (220299264).

Almost surely, 2^6406886046 is an apocalyptic number.

6406886046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6406886046 is an abundant number, since it is smaller than the sum of its proper divisors (7692266850).

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

6406886046 is a wasteful number, since it uses less digits than its factorization.

6406886046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 6406886046 is about 80043.0262171540. The cubic root of 6406886046 is about 1857.3011738177.

The spelling of 6406886046 in words is "six billion, four hundred six million, eight hundred eighty-six thousand, forty-six".