40859637 has 48 divisors (see below), whose sum is σ = 69920640. Its totient is φ = 20756736.

The previous prime is 40859629. The next prime is 40859641. The reversal of 40859637 is 73695804.

It is a happy number.

It is not a de Polignac number, because 40859637 - 2³ = 40859629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40859627) 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 47 ways as a sum of consecutive naturals, for example, 102723 + ... + 103119.

It is an arithmetic number, because the mean of its divisors is an integer number (1456680).

Almost surely, 2^40859637 is an apocalyptic number.

It is an amenable number.

40859637 is a deficient number, since it is larger than the sum of its proper divisors (29061003).

40859637 is a wasteful number, since it uses less digits than its factorization.

40859637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40859637 is about 6392.1543316788. The cubic root of 40859637 is about 344.4277764818.

The spelling of 40859637 in words is "forty million, eight hundred fifty-nine thousand, six hundred thirty-seven".