6673465440 has 72 divisors (see below), whose sum is σ = 22773205728. Its totient is φ = 1779590400.

The previous prime is 6673465429. The next prime is 6673465451. The reversal of 6673465440 is 445643766.

It is a happy number.

6673465440 is a `hidden beast` number, since 6 + 67 + 3 + 46 + 544 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6673465429) and next prime (6673465451).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315736 + ... + 2318615.

It is an arithmetic number, because the mean of its divisors is an integer number (316294524).

Almost surely, 2^6673465440 is an apocalyptic number.

6673465440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6673465440 is an abundant number, since it is smaller than the sum of its proper divisors (16099740288).

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

6673465440 is a wasteful number, since it uses less digits than its factorization.

6673465440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634372 (or 4634361 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The square root of 6673465440 is about 81691.2812973331. The cubic root of 6673465440 is about 1882.7116294620.

The spelling of 6673465440 in words is "six billion, six hundred seventy-three million, four hundred sixty-five thousand, four hundred forty".