6404774046 has 16 divisors (see below), whose sum is σ = 13974052608. Its totient is φ = 1940840600.

The previous prime is 6404774027. The next prime is 6404774069.

6404774046 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6404774046² = 82042261160630420232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6404773989 and 6404774007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48520950 + ... + 48521081.

It is an arithmetic number, because the mean of its divisors is an integer number (873378288).

Almost surely, 2^6404774046 is an apocalyptic number.

6404774046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6404774046 is an abundant number, since it is smaller than the sum of its proper divisors (7569278562).

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

6404774046 is a wasteful number, since it uses less digits than its factorization.

6404774046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97042047.

The product of its (nonzero) digits is 451584, while the sum is 42.

The square root of 6404774046 is about 80029.8322252396. The cubic root of 6404774046 is about 1857.0970678420.

The spelling of 6404774046 in words is "six billion, four hundred four million, seven hundred seventy-four thousand, forty-six".