6245339520 has 512 divisors, whose sum is σ = 24632755200. Its totient is φ = 1313832960.

The previous prime is 6245339519. The next prime is 6245339533. The reversal of 6245339520 is 259335426.

6245339520 = 8061² + 8062² + ... + 8155².

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, 9447990 + ... + 9448650.

It is an arithmetic number, because the mean of its divisors is an integer number (48110850).

Almost surely, 2^6245339520 is an apocalyptic number.

6245339520 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 6245339520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12316377600).

6245339520 is an abundant number, since it is smaller than the sum of its proper divisors (18387415680).

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

6245339520 is a wasteful number, since it uses less digits than its factorization.

6245339520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 6245339520 is about 79027.4605437882. The cubic root of 6245339520 is about 1841.5577860006.

The spelling of 6245339520 in words is "six billion, two hundred forty-five million, three hundred thirty-nine thousand, five hundred twenty".