40321545321 has 8 divisors (see below), whose sum is σ = 54294358464. Its totient is φ = 26614881200.

The previous prime is 40321545283. The next prime is 40321545337. The reversal of 40321545321 is 12354512304.

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 40321545321 - 2¹⁰ = 40321544297 is a prime.

It is a super-3 number, since 3×40321545321³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40321145321) 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, 66536901 + ... + 66537506.

It is an arithmetic number, because the mean of its divisors is an integer number (6786794808).

Almost surely, 2^40321545321 is an apocalyptic number.

It is an amenable number.

40321545321 is a deficient number, since it is larger than the sum of its proper divisors (13972813143).

40321545321 is a wasteful number, since it uses less digits than its factorization.

40321545321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133074511.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 40321545321 in words is "forty billion, three hundred twenty-one million, five hundred forty-five thousand, three hundred twenty-one".