6263309340 has 192 divisors, whose sum is σ = 20624217600. Its totient is φ = 1573613568.

The previous prime is 6263309329. The next prime is 6263309413. The reversal of 6263309340 is 439033626.

6263309340 is a `hidden beast` number, since 6 + 2 + 6 + 3 + 309 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6263309295 and 6263309304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1978599 + ... + 1981761.

It is an arithmetic number, because the mean of its divisors is an integer number (107417800).

Almost surely, 2^6263309340 is an apocalyptic number.

6263309340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6263309340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10312108800).

6263309340 is an abundant number, since it is smaller than the sum of its proper divisors (14360908260).

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

6263309340 is a wasteful number, since it uses less digits than its factorization.

6263309340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 6263309340 is about 79141.0723960700. The cubic root of 6263309340 is about 1843.3223430382.

The spelling of 6263309340 in words is "six billion, two hundred sixty-three million, three hundred nine thousand, three hundred forty".