32789994840 has 48 divisors (see below), whose sum is σ = 106567484400. Its totient is φ = 8743998528.

The previous prime is 32789994829. The next prime is 32789994841. The reversal of 32789994840 is 4849998723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32789994841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45541300 + ... + 45542019.

It is an arithmetic number, because the mean of its divisors is an integer number (2220155925).

Almost surely, 2^32789994840 is an apocalyptic number.

32789994840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32789994840 is an abundant number, since it is smaller than the sum of its proper divisors (73777489560).

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

32789994840 is a wasteful number, since it uses less digits than its factorization.

32789994840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91083336 (or 91083329 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 32789994840 in words is "thirty-two billion, seven hundred eighty-nine million, nine hundred ninety-four thousand, eight hundred forty".