40635937 has 4 divisors (see below), whose sum is σ = 40668336. Its totient is φ = 40603540.

The previous prime is 40635929. The next prime is 40635949. The reversal of 40635937 is 73953604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40635937 - 2³ = 40635929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40635896 and 40635905.

It is not an unprimeable number, because it can be changed into a prime (40635997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14239 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (10167084).

Almost surely, 2^40635937 is an apocalyptic number.

It is an amenable number.

40635937 is a deficient number, since it is larger than the sum of its proper divisors (32399).

40635937 is a wasteful number, since it uses less digits than its factorization.

40635937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32398.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 40635937 is about 6374.6323031215. The cubic root of 40635937 is about 343.7980634943.

It can be divided in two parts, 4063 and 5937, that added together give a 4-th power (10000 = 10⁴).

The spelling of 40635937 in words is "forty million, six hundred thirty-five thousand, nine hundred thirty-seven".