6253644960 has 384 divisors, whose sum is σ = 22495656960. Its totient is φ = 1622135808.

The previous prime is 6253644949. The next prime is 6253644967. The reversal of 6253644960 is 694463526.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6253644967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38365839 + ... + 38366001.

It is an arithmetic number, because the mean of its divisors is an integer number (58582440).

Almost surely, 2^6253644960 is an apocalyptic number.

6253644960 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 6253644960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11247828480).

6253644960 is an abundant number, since it is smaller than the sum of its proper divisors (16242012000).

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

6253644960 is a wasteful number, since it uses less digits than its factorization.

6253644960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 6253644960 is about 79079.9908952954. The cubic root of 6253644960 is about 1842.3737636640.

The spelling of 6253644960 in words is "six billion, two hundred fifty-three million, six hundred forty-four thousand, nine hundred sixty".