40536237605 has 8 divisors (see below), whose sum is σ = 51504866712. Its totient is φ = 30521402368.

The previous prime is 40536237583. The next prime is 40536237611. The reversal of 40536237605 is 50673263504.

It can be written as a sum of positive squares in 4 ways, for example, as 6644532196 + 33891705409 = 81514^2 + 184097^2 .

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 40536237605 - 2⁶ = 40536237541 is a prime.

It is a super-2 number, since 2×40536237605² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238448372 + ... + 238448541.

It is an arithmetic number, because the mean of its divisors is an integer number (6438108339).

Almost surely, 2^40536237605 is an apocalyptic number.

It is an amenable number.

40536237605 is a deficient number, since it is larger than the sum of its proper divisors (10968629107).

40536237605 is a wasteful number, since it uses less digits than its factorization.

40536237605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476896935.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 40536237605 in words is "forty billion, five hundred thirty-six million, two hundred thirty-seven thousand, six hundred five".