4043246064 has 320 divisors, whose sum is σ = 12767182848. Its totient is φ = 1086336000.

The previous prime is 4043246057. The next prime is 4043246069. The reversal of 4043246064 is 4606423404.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043246069) 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, 26776389 + ... + 26776539.

Almost surely, 2^4043246064 is an apocalyptic number.

4043246064 is a gapful number since it is divisible by the number (44) 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 4043246064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6383591424).

4043246064 is an abundant number, since it is smaller than the sum of its proper divisors (8723936784).

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

4043246064 is a wasteful number, since it uses less digits than its factorization.

4043246064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 4043246064 is about 63586.5242327335. The cubic root of 4043246064 is about 1593.1012955906.

Adding to 4043246064 its reverse (4606423404), we get a palindrome (8649669468).

The spelling of 4043246064 in words is "four billion, forty-three million, two hundred forty-six thousand, sixty-four".