6420041552 has 40 divisors (see below), whose sum is σ = 12560696064. Its totient is φ = 3178727424.

The previous prime is 6420041501. The next prime is 6420041557. The reversal of 6420041552 is 2551400246.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420041557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683963 + ... + 693285.

Almost surely, 2^6420041552 is an apocalyptic number.

It is an amenable number.

6420041552 is a deficient number, since it is larger than the sum of its proper divisors (6140654512).

6420041552 is a wasteful number, since it uses less digits than its factorization.

6420041552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747 (or 9741 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 6420041552 is about 80125.1617907883. The cubic root of 6420041552 is about 1858.5715274151.

Adding to 6420041552 its reverse (2551400246), we get a palindrome (8971441798).

The spelling of 6420041552 in words is "six billion, four hundred twenty million, forty-one thousand, five hundred fifty-two".