6227357440 has 36 divisors (see below), whose sum is σ = 14916470184. Its totient is φ = 2490942464.

The previous prime is 6227357399. The next prime is 6227357453. The reversal of 6227357440 is 447537226.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6227357393 and 6227357402.

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 3 ways as a sum of consecutive naturals, for example, 2431282 + ... + 2433841.

It is an arithmetic number, because the mean of its divisors is an integer number (414346394).

Almost surely, 2^6227357440 is an apocalyptic number.

It is an amenable number.

6227357440 is an abundant number, since it is smaller than the sum of its proper divisors (8689112744).

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

6227357440 is an equidigital number, since it uses as much as digits as its factorization.

6227357440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865144 (or 4865130 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 6227357440 is about 78913.6074451042. The cubic root of 6227357440 is about 1839.7886335656.

The spelling of 6227357440 in words is "six billion, two hundred twenty-seven million, three hundred fifty-seven thousand, four hundred forty".