6662077440 has 88 divisors (see below), whose sum is σ = 21308287440. Its totient is φ = 1776549888.

The previous prime is 6662077427. The next prime is 6662077451. The reversal of 6662077440 is 447702666.

It is a junction number, because it is equal to n+sod(n) for n = 6662077392 and 6662077401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201505 + ... + 232224.

It is an arithmetic number, because the mean of its divisors is an integer number (242139630).

Almost surely, 2^6662077440 is an apocalyptic number.

6662077440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6662077440 is an abundant number, since it is smaller than the sum of its proper divisors (14646210000).

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

6662077440 is a wasteful number, since it uses less digits than its factorization.

6662077440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433757 (or 433739 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 6662077440 is about 81621.5500955477. The cubic root of 6662077440 is about 1881.6400958645.

The spelling of 6662077440 in words is "six billion, six hundred sixty-two million, seventy-seven thousand, four hundred forty".