2040455321 has 8 divisors (see below), whose sum is σ = 2123190144. Its totient is φ = 1959358960.

The previous prime is 2040455303. The next prime is 2040455357. The reversal of 2040455321 is 1235540402.

It is a happy number.

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 2040455321 - 2²⁶ = 1973346457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040455381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407075 + ... + 412056.

It is an arithmetic number, because the mean of its divisors is an integer number (265398768).

Almost surely, 2^2040455321 is an apocalyptic number.

It is an amenable number.

2040455321 is a deficient number, since it is larger than the sum of its proper divisors (82734823).

2040455321 is an equidigital number, since it uses as much as digits as its factorization.

2040455321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819231.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2040455321 is about 45171.3993695126. The cubic root of 2040455321 is about 1268.3594915336.

Adding to 2040455321 its reverse (1235540402), we get a palindrome (3275995723).

The spelling of 2040455321 in words is "two billion, forty million, four hundred fifty-five thousand, three hundred twenty-one".