6481402752 has 96 divisors (see below), whose sum is σ = 18923756040. Its totient is φ = 1964047360.

The previous prime is 6481402693. The next prime is 6481402757. The reversal of 6481402752 is 2572041846.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 6481402752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481402757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23283 + ... + 116210.

Almost surely, 2^6481402752 is an apocalyptic number.

It is an amenable number.

6481402752 is an abundant number, since it is smaller than the sum of its proper divisors (12442353288).

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

6481402752 is a wasteful number, since it uses less digits than its factorization.

6481402752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139532 (or 139509 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 6481402752 is about 80507.1596319234. The cubic root of 6481402752 is about 1864.4740209222.

The spelling of 6481402752 in words is "six billion, four hundred eighty-one million, four hundred two thousand, seven hundred fifty-two".