6777225240 has 64 divisors (see below), whose sum is σ = 20533016160. Its totient is φ = 1789363200.

The previous prime is 6777225223. The next prime is 6777225263. The reversal of 6777225240 is 425227776.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6777225192 and 6777225201.

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 15 ways as a sum of consecutive naturals, for example, 267469 + ... + 291708.

Almost surely, 2^6777225240 is an apocalyptic number.

6777225240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6777225240 is an abundant number, since it is smaller than the sum of its proper divisors (13755790920).

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

6777225240 is a wasteful number, since it uses less digits than its factorization.

6777225240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559292 (or 559288 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The square root of 6777225240 is about 82323.9044263572. The cubic root of 6777225240 is about 1892.4190295795.

The spelling of 6777225240 in words is "six billion, seven hundred seventy-seven million, two hundred twenty-five thousand, two hundred forty".