32504545920 has 640 divisors, whose sum is σ = 132062892480. Its totient is φ = 6743654400.

The previous prime is 32504545891. The next prime is 32504545943. The reversal of 32504545920 is 2954540523.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 50708800 + ... + 50709440.

Almost surely, 2^32504545920 is an apocalyptic number.

32504545920 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 32504545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66031446240).

32504545920 is an abundant number, since it is smaller than the sum of its proper divisors (99558346560).

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

32504545920 is an equidigital number, since it uses as much as digits as its factorization.

32504545920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 32504545920 in words is "thirty-two billion, five hundred four million, five hundred forty-five thousand, nine hundred twenty".