64324033500 has 48 divisors (see below), whose sum is σ = 187311589920. Its totient is φ = 17153075200.

The previous prime is 64324033481. The next prime is 64324033517. The reversal of 64324033500 is 533042346.

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

It is a congruent number.

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, 21439845 + ... + 21442844.

It is an arithmetic number, because the mean of its divisors is an integer number (3902324790).

Almost surely, 2^64324033500 is an apocalyptic number.

64324033500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64324033500 is an abundant number, since it is smaller than the sum of its proper divisors (122987556420).

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

64324033500 is a wasteful number, since it uses less digits than its factorization.

64324033500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42882711 (or 42882699 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 64324033500 its reverse (533042346), we get a palindrome (64857075846).

The spelling of 64324033500 in words is "sixty-four billion, three hundred twenty-four million, thirty-three thousand, five hundred".