40035545321 has 4 divisors (see below), whose sum is σ = 40044247632. Its totient is φ = 40026843012.

The previous prime is 40035545317. The next prime is 40035545339. The reversal of 40035545321 is 12354553004.

It is a happy number.

40035545321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40035545321 - 2² = 40035545317 is a prime.

It is a super-3 number, since 3×40035545321³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40035545521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4344251 + ... + 4353456.

It is an arithmetic number, because the mean of its divisors is an integer number (10011061908).

Almost surely, 2^40035545321 is an apocalyptic number.

It is an amenable number.

40035545321 is a deficient number, since it is larger than the sum of its proper divisors (8702311).

40035545321 is an equidigital number, since it uses as much as digits as its factorization.

40035545321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702310.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 40035545321 in words is "forty billion, thirty-five million, five hundred forty-five thousand, three hundred twenty-one".