32940809405 has 32 divisors (see below), whose sum is σ = 47717818368. Its totient is φ = 21350952000.

The previous prime is 32940809401. The next prime is 32940809423. The reversal of 32940809405 is 50490804923.

It is not a de Polignac number, because 32940809405 - 2² = 32940809401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32940809401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306371 + ... + 399680.

It is an arithmetic number, because the mean of its divisors is an integer number (1491181824).

Almost surely, 2^32940809405 is an apocalyptic number.

32940809405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32940809405 is a deficient number, since it is larger than the sum of its proper divisors (14777008963).

32940809405 is a wasteful number, since it uses less digits than its factorization.

32940809405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706137.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 32940809405 in words is "thirty-two billion, nine hundred forty million, eight hundred nine thousand, four hundred five".