32984021920 has 48 divisors (see below), whose sum is σ = 77940377928. Its totient is φ = 13190963200.

The previous prime is 32984021879. The next prime is 32984021927. The reversal of 32984021920 is 2912048923.

It can be written as a sum of positive squares in 4 ways, for example, as 32939346064 + 44675856 = 181492^2 + 6684^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (32984021927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910392 + ... + 945928.

Almost surely, 2^32984021920 is an apocalyptic number.

It is an amenable number.

32984021920 is an abundant number, since it is smaller than the sum of its proper divisors (44956356008).

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

32984021920 is a wasteful number, since it uses less digits than its factorization.

32984021920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41353 (or 41345 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 32984021920 in words is "thirty-two billion, nine hundred eighty-four million, twenty-one thousand, nine hundred twenty".