32650072500 has 120 divisors (see below), whose sum is σ = 100799233920. Its totient is φ = 8194496000.

The previous prime is 32650072457. The next prime is 32650072529. The reversal of 32650072500 is 527005623.

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 39 ways as a sum of consecutive naturals, for example, 540 + ... + 255539.

It is an arithmetic number, because the mean of its divisors is an integer number (839993616).

Almost surely, 2^32650072500 is an apocalyptic number.

32650072500 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 32650072500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50399616960).

32650072500 is an abundant number, since it is smaller than the sum of its proper divisors (68149161420).

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

32650072500 is a wasteful number, since it uses less digits than its factorization.

32650072500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256123 (or 256106 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The spelling of 32650072500 in words is "thirty-two billion, six hundred fifty million, seventy-two thousand, five hundred".