32401784916 has 60 divisors (see below), whose sum is σ = 89687308788. Its totient is φ = 10165264128.

The previous prime is 32401784903. The next prime is 32401784963. The reversal of 32401784916 is 61948710423.

It can be written as a sum of positive squares in 2 ways, for example, as 9811694916 + 22590090000 = 99054^2 + 150300^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2935831 + ... + 2946846.

Almost surely, 2^32401784916 is an apocalyptic number.

32401784916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

32401784916 is an abundant number, since it is smaller than the sum of its proper divisors (57285523872).

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

32401784916 is a wasteful number, since it uses less digits than its factorization.

32401784916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882710 (or 5882699 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 32401784916 in words is "thirty-two billion, four hundred one million, seven hundred eighty-four thousand, nine hundred sixteen".