32673978940 has 24 divisors (see below), whose sum is σ = 71598633120. Its totient is φ = 12501348288.

The previous prime is 32673978863. The next prime is 32673978943. The reversal of 32673978940 is 4987937623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32673978943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35514735 + ... + 35515654.

It is an arithmetic number, because the mean of its divisors is an integer number (2983276380).

Almost surely, 2^32673978940 is an apocalyptic number.

It is an amenable number.

32673978940 is an abundant number, since it is smaller than the sum of its proper divisors (38924654180).

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

32673978940 is a wasteful number, since it uses less digits than its factorization.

32673978940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71030421 (or 71030419 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 32673978940 in words is "thirty-two billion, six hundred seventy-three million, nine hundred seventy-eight thousand, nine hundred forty".