6432152520 has 64 divisors (see below), whose sum is σ = 19817997120. Its totient is φ = 1668881664.

The previous prime is 6432152513. The next prime is 6432152533. The reversal of 6432152520 is 252512346.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719902 + ... + 728781.

It is an arithmetic number, because the mean of its divisors is an integer number (309656205).

Almost surely, 2^6432152520 is an apocalyptic number.

6432152520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6432152520 is an abundant number, since it is smaller than the sum of its proper divisors (13385844600).

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

6432152520 is a wasteful number, since it uses less digits than its factorization.

6432152520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448734 (or 1448730 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 6432152520 is about 80200.7014931914. The cubic root of 6432152520 is about 1859.7394825323.

Adding to 6432152520 its reverse (252512346), we get a palindrome (6684664866).

The spelling of 6432152520 in words is "six billion, four hundred thirty-two million, one hundred fifty-two thousand, five hundred twenty".