6532978452 has 96 divisors (see below), whose sum is σ = 20466991104. Its totient is φ = 1566345600.

The previous prime is 6532978423. The next prime is 6532978453. The reversal of 6532978452 is 2548792356.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6532978395 and 6532978404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6532978453) 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, 259924 + ... + 283947.

It is an arithmetic number, because the mean of its divisors is an integer number (213197824).

Almost surely, 2^6532978452 is an apocalyptic number.

It is an amenable number.

6532978452 is an abundant number, since it is smaller than the sum of its proper divisors (13934012652).

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

6532978452 is a wasteful number, since it uses less digits than its factorization.

6532978452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543909 (or 543907 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 6532978452 is about 80826.8423978074. The cubic root of 6532978452 is about 1869.4064720127.

The spelling of 6532978452 in words is "six billion, five hundred thirty-two million, nine hundred seventy-eight thousand, four hundred fifty-two".