6268084640 has 24 divisors (see below), whose sum is σ = 14808350340. Its totient is φ = 2507233792.

The previous prime is 6268084609. The next prime is 6268084663. The reversal of 6268084640 is 464808626.

It can be written as a sum of positive squares in 2 ways, for example, as 5930848144 + 337236496 = 77012^2 + 18364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6268084591 and 6268084600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19587605 + ... + 19587924.

Almost surely, 2^6268084640 is an apocalyptic number.

It is an amenable number.

6268084640 is an abundant number, since it is smaller than the sum of its proper divisors (8540265700).

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

6268084640 is a wasteful number, since it uses less digits than its factorization.

6268084640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39175544 (or 39175536 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 6268084640 is about 79171.2361909298. The cubic root of 6268084640 is about 1843.7906886893.

The spelling of 6268084640 in words is "six billion, two hundred sixty-eight million, eighty-four thousand, six hundred forty".