6485308444 has 24 divisors (see below), whose sum is σ = 12019734720. Its totient is φ = 3051188736.

The previous prime is 6485308433. The next prime is 6485308447. The reversal of 6485308444 is 4448035846.

It is a happy number.

It is a super-2 number, since 2×6485308444² = 84118451227635402272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6485308394 and 6485308403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485308447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375552 + ... + 392440.

It is an arithmetic number, because the mean of its divisors is an integer number (500822280).

Almost surely, 2^6485308444 is an apocalyptic number.

It is an amenable number.

6485308444 is a deficient number, since it is larger than the sum of its proper divisors (5534426276).

6485308444 is a wasteful number, since it uses less digits than its factorization.

6485308444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22557 (or 22555 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 46.

The square root of 6485308444 is about 80531.4127778720. The cubic root of 6485308444 is about 1864.8484562779.

The spelling of 6485308444 in words is "six billion, four hundred eighty-five million, three hundred eight thousand, four hundred forty-four".