6245544400 has 120 divisors (see below), whose sum is σ = 15565432320. Its totient is φ = 2405383680.

The previous prime is 6245544307. The next prime is 6245544413. The reversal of 6245544400 is 44455426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7040757 + ... + 7041643.

It is an arithmetic number, because the mean of its divisors is an integer number (129711936).

Almost surely, 2^6245544400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6245544400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7782716160).

6245544400 is an abundant number, since it is smaller than the sum of its proper divisors (9319887920).

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

6245544400 is a wasteful number, since it uses less digits than its factorization.

6245544400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1530 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 6245544400 is about 79028.7567914364. The cubic root of 6245544400 is about 1841.5779233757.

Adding to 6245544400 its reverse (44455426), we get a palindrome (6289999826).

The spelling of 6245544400 in words is "six billion, two hundred forty-five million, five hundred forty-four thousand, four hundred".