40626569983 has 4 divisors (see below), whose sum is σ = 40662747928. Its totient is φ = 40590392040.

The previous prime is 40626569917. The next prime is 40626569987. The reversal of 40626569983 is 38996562604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40626569983 - 2⁹ = 40626569471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626569987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18087288 + ... + 18089533.

It is an arithmetic number, because the mean of its divisors is an integer number (10165686982).

Almost surely, 2^40626569983 is an apocalyptic number.

40626569983 is a deficient number, since it is larger than the sum of its proper divisors (36177945).

40626569983 is a wasteful number, since it uses less digits than its factorization.

40626569983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36177944.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 40626569983 in words is "forty billion, six hundred twenty-six million, five hundred sixty-nine thousand, nine hundred eighty-three".