40544698321 has 8 divisors (see below), whose sum is σ = 41572710144. Its totient is φ = 39518549280.

The previous prime is 40544698307. The next prime is 40544698331. The reversal of 40544698321 is 12389644504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40544698321 - 2⁵ = 40544698289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40544698331) 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, 421561 + ... + 508726.

It is an arithmetic number, because the mean of its divisors is an integer number (5196588768).

Almost surely, 2^40544698321 is an apocalyptic number.

40544698321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40544698321 is a deficient number, since it is larger than the sum of its proper divisors (1028011823).

40544698321 is a wasteful number, since it uses less digits than its factorization.

40544698321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931391.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 40544698321 in words is "forty billion, five hundred forty-four million, six hundred ninety-eight thousand, three hundred twenty-one".