6245413440 has 224 divisors, whose sum is σ = 22728716544. Its totient is φ = 1423319040.

The previous prime is 6245413423. The next prime is 6245413441. The reversal of 6245413440 is 443145426.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (6245413441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2666670 + ... + 2669010.

Almost surely, 2^6245413440 is an apocalyptic number.

6245413440 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 6245413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11364358272).

6245413440 is an abundant number, since it is smaller than the sum of its proper divisors (16483303104).

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

6245413440 is a wasteful number, since it uses less digits than its factorization.

6245413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 6245413440 is about 79027.9282279372. The cubic root of 6245413440 is about 1841.5650515471.

Adding to 6245413440 its reverse (443145426), we get a palindrome (6688558866).

The spelling of 6245413440 in words is "six billion, two hundred forty-five million, four hundred thirteen thousand, four hundred forty".