6263445120 has 128 divisors (see below), whose sum is σ = 19997858880. Its totient is φ = 1667481600.

The previous prime is 6263445113. The next prime is 6263445157. The reversal of 6263445120 is 215443626.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1324360 + ... + 1329080.

Almost surely, 2^6263445120 is an apocalyptic number.

6263445120 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 6263445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9998929440).

6263445120 is an abundant number, since it is smaller than the sum of its proper divisors (13734413760).

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

6263445120 is a wasteful number, since it uses less digits than its factorization.

6263445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6263445120 is about 79141.9302266504. The cubic root of 6263445120 is about 1843.3356631797.

Adding to 6263445120 its reverse (215443626), we get a palindrome (6478888746).

The spelling of 6263445120 in words is "six billion, two hundred sixty-three million, four hundred forty-five thousand, one hundred twenty".