6464528152 has 32 divisors (see below), whose sum is σ = 12413293200. Its totient is φ = 3154443264.

The previous prime is 6464528141. The next prime is 6464528153. The reversal of 6464528152 is 2518254646.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 6464528099 and 6464528108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464528153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438924 + ... + 453412.

Almost surely, 2^6464528152 is an apocalyptic number.

It is an amenable number.

6464528152 is a deficient number, since it is larger than the sum of its proper divisors (5948765048).

6464528152 is a wasteful number, since it uses less digits than its factorization.

6464528152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15835 (or 15831 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 6464528152 is about 80402.2894698901. The cubic root of 6464528152 is about 1862.8545362465.

The spelling of 6464528152 in words is "six billion, four hundred sixty-four million, five hundred twenty-eight thousand, one hundred fifty-two".