40609085829 has 8 divisors (see below), whose sum is σ = 58310482272. Its totient is φ = 24990206640.

The previous prime is 40609085809. The next prime is 40609085843. The reversal of 40609085829 is 92858090604.

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

It is not a de Polignac number, because 40609085829 - 2⁷ = 40609085701 is a prime.

It is a super-3 number, since 3×40609085829³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40609085809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520629267 + ... + 520629344.

It is an arithmetic number, because the mean of its divisors is an integer number (7288810284).

Almost surely, 2^40609085829 is an apocalyptic number.

It is an amenable number.

40609085829 is a deficient number, since it is larger than the sum of its proper divisors (17701396443).

40609085829 is a wasteful number, since it uses less digits than its factorization.

40609085829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041258627.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 40609085829 in words is "forty billion, six hundred nine million, eighty-five thousand, eight hundred twenty-nine".