40230010321 has 4 divisors (see below), whose sum is σ = 40230828144. Its totient is φ = 40229192500.

The previous prime is 40230010307. The next prime is 40230010333. The reversal of 40230010321 is 12301003204.

It is a happy number.

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 40230010321 - 2⁷ = 40230010193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40230010295 and 40230010304.

It is not an unprimeable number, because it can be changed into a prime (40230010361) 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, 330055 + ... + 435196.

It is an arithmetic number, because the mean of its divisors is an integer number (10057707036).

Almost surely, 2^40230010321 is an apocalyptic number.

It is an amenable number.

40230010321 is a deficient number, since it is larger than the sum of its proper divisors (817823).

40230010321 is an equidigital number, since it uses as much as digits as its factorization.

40230010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817822.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40230010321 its reverse (12301003204), we get a palindrome (52531013525).

The spelling of 40230010321 in words is "forty billion, two hundred thirty million, ten thousand, three hundred twenty-one".