40036130321 has 4 divisors (see below), whose sum is σ = 43675778544. Its totient is φ = 36396482100.

The previous prime is 40036130317. The next prime is 40036130339. The reversal of 40036130321 is 12303163004.

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 not a de Polignac number, because 40036130321 - 2² = 40036130317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40036130371) 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 3 ways as a sum of consecutive naturals, for example, 1819824095 + ... + 1819824116.

It is an arithmetic number, because the mean of its divisors is an integer number (10918944636).

Almost surely, 2^40036130321 is an apocalyptic number.

It is an amenable number.

40036130321 is a deficient number, since it is larger than the sum of its proper divisors (3639648223).

40036130321 is a wasteful number, since it uses less digits than its factorization.

40036130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639648222.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40036130321 its reverse (12303163004), we get a palindrome (52339293325).

The spelling of 40036130321 in words is "forty billion, thirty-six million, one hundred thirty thousand, three hundred twenty-one".