40640541627 has 8 divisors (see below), whose sum is σ = 61928444416. Its totient is φ = 23223166632.

The previous prime is 40640541619. The next prime is 40640541631. The reversal of 40640541627 is 72614504604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40640541627 - 2³ = 40640541619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40640541647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967631923 + ... + 967631964.

It is an arithmetic number, because the mean of its divisors is an integer number (7741055552).

Almost surely, 2^40640541627 is an apocalyptic number.

40640541627 is a deficient number, since it is larger than the sum of its proper divisors (21287902789).

40640541627 is a wasteful number, since it uses less digits than its factorization.

40640541627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935263897.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 40640541627 in words is "forty billion, six hundred forty million, five hundred forty-one thousand, six hundred twenty-seven".