32545320540 has 96 divisors (see below), whose sum is σ = 96599490624. Its totient is φ = 8158740480.

The previous prime is 32545320539. The next prime is 32545320629. The reversal of 32545320540 is 4502354523.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880512 + ... + 916728.

It is an arithmetic number, because the mean of its divisors is an integer number (1006244694).

Almost surely, 2^32545320540 is an apocalyptic number.

32545320540 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 32545320540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48299745312).

32545320540 is an abundant number, since it is smaller than the sum of its proper divisors (64054170084).

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

32545320540 is a wasteful number, since it uses less digits than its factorization.

32545320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37127 (or 37125 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 32545320540 in words is "thirty-two billion, five hundred forty-five million, three hundred twenty thousand, five hundred forty".