40065926401 has 8 divisors (see below), whose sum is σ = 41450114880. Its totient is φ = 38681911632.

The previous prime is 40065926371. The next prime is 40065926429. The reversal of 40065926401 is 10462956004.

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

It is a cyclic number.

It is not a de Polignac number, because 40065926401 - 2¹⁵ = 40065893633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40065926491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575586 + ... + 641428.

It is an arithmetic number, because the mean of its divisors is an integer number (5181264360).

Almost surely, 2^40065926401 is an apocalyptic number.

It is an amenable number.

40065926401 is a deficient number, since it is larger than the sum of its proper divisors (1384188479).

40065926401 is a wasteful number, since it uses less digits than its factorization.

40065926401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86855.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 40065926401 in words is "forty billion, sixty-five million, nine hundred twenty-six thousand, four hundred one".