40683520321 has 4 divisors (see below), whose sum is σ = 40685728192. Its totient is φ = 40681312452.

The previous prime is 40683520259. The next prime is 40683520333. The reversal of 40683520321 is 12302538604.

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 40683520321 - 2¹¹ = 40683518273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40683520351) 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, 1076061 + ... + 1113226.

It is an arithmetic number, because the mean of its divisors is an integer number (10171432048).

Almost surely, 2^40683520321 is an apocalyptic number.

It is an amenable number.

40683520321 is a deficient number, since it is larger than the sum of its proper divisors (2207871).

40683520321 is a wasteful number, since it uses less digits than its factorization.

40683520321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207870.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 40683520321 in words is "forty billion, six hundred eighty-three million, five hundred twenty thousand, three hundred twenty-one".