32463697920 has 192 divisors, whose sum is σ = 109326672000. Its totient is φ = 8201207808.

The previous prime is 32463697873. The next prime is 32463697949. The reversal of 32463697920 is 2979636423.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555871 + ... + 611489.

It is an arithmetic number, because the mean of its divisors is an integer number (569409750).

Almost surely, 2^32463697920 is an apocalyptic number.

32463697920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32463697920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54663336000).

32463697920 is an abundant number, since it is smaller than the sum of its proper divisors (76862974080).

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

32463697920 is a wasteful number, since it uses less digits than its factorization.

32463697920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55668 (or 55648 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 32463697920 in words is "thirty-two billion, four hundred sixty-three million, six hundred ninety-seven thousand, nine hundred twenty".