6481267600 has 30 divisors (see below), whose sum is σ = 15571246370. Its totient is φ = 2592506880.

The previous prime is 6481267591. The next prime is 6481267603. The reversal of 6481267600 is 67621846.

It can be written as a sum of positive squares in 3 ways, for example, as 1898519184 + 4582748416 = 43572^2 + 67696^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (6481267603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8101185 + ... + 8101984.

Almost surely, 2^6481267600 is an apocalyptic number.

It is an amenable number.

6481267600 is an abundant number, since it is smaller than the sum of its proper divisors (9089978770).

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

6481267600 is a wasteful number, since it uses less digits than its factorization.

6481267600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16203187 (or 16203176 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 6481267600 is about 80506.3202487854. The cubic root of 6481267600 is about 1864.4610613231.

The spelling of 6481267600 in words is "six billion, four hundred eighty-one million, two hundred sixty-seven thousand, six hundred".