40635157 has 8 divisors (see below), whose sum is σ = 41064320. Its totient is φ = 40208400.

The previous prime is 40635137. The next prime is 40635169. The reversal of 40635157 is 75153604.

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 40635157 - 2¹⁵ = 40602389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65983 + ... + 66595.

It is an arithmetic number, because the mean of its divisors is an integer number (5133040).

Almost surely, 2^40635157 is an apocalyptic number.

It is an amenable number.

40635157 is a deficient number, since it is larger than the sum of its proper divisors (429163).

40635157 is a wasteful number, since it uses less digits than its factorization.

40635157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 40635157 is about 6374.5711228286. The cubic root of 40635157 is about 343.7958637648.

The spelling of 40635157 in words is "forty million, six hundred thirty-five thousand, one hundred fifty-seven".