40156576693 has 8 divisors (see below), whose sum is σ = 40215434688. Its totient is φ = 40097748384.

The previous prime is 40156576661. The next prime is 40156576717. The reversal of 40156576693 is 39667565104.

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 40156576693 - 2⁵ = 40156576661 is a prime.

It is a super-2 number, since 2×40156576693² (a number of 22 digits) contains 22 as substring.

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 40156576693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40156576633) 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, 4763280 + ... + 4771702.

It is an arithmetic number, because the mean of its divisors is an integer number (5026929336).

Almost surely, 2^40156576693 is an apocalyptic number.

It is an amenable number.

40156576693 is a deficient number, since it is larger than the sum of its proper divisors (58857995).

40156576693 is an equidigital number, since it uses as much as digits as its factorization.

40156576693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14843.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 40156576693 in words is "forty billion, one hundred fifty-six million, five hundred seventy-six thousand, six hundred ninety-three".