40646711429 has 8 divisors (see below), whose sum is σ = 42698620800. Its totient is φ = 38618523856.

The previous prime is 40646711423. The next prime is 40646711507. The reversal of 40646711429 is 92411764604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40646711429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40646711429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40646711423) 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 7 ways as a sum of consecutive naturals, for example, 5926937 + ... + 5933790.

It is an arithmetic number, because the mean of its divisors is an integer number (5337327600).

Almost surely, 2^40646711429 is an apocalyptic number.

It is an amenable number.

40646711429 is a deficient number, since it is larger than the sum of its proper divisors (2051909371).

40646711429 is a wasteful number, since it uses less digits than its factorization.

40646711429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860899.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 40646711429 in words is "forty billion, six hundred forty-six million, seven hundred eleven thousand, four hundred twenty-nine".