40085735 has 8 divisors (see below), whose sum is σ = 48599376. Its totient is φ = 31737600.

The previous prime is 40085719. The next prime is 40085737. The reversal of 40085735 is 53758004.

It is a happy number.

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

It is not a de Polignac number, because 40085735 - 2⁴ = 40085719 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 (40085737) 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, 40841 + ... + 41810.

It is an arithmetic number, because the mean of its divisors is an integer number (6074922).

Almost surely, 2^40085735 is an apocalyptic number.

40085735 is a deficient number, since it is larger than the sum of its proper divisors (8513641).

40085735 is an equidigital number, since it uses as much as digits as its factorization.

40085735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82753.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40085735 is about 6331.3296391832. The cubic root of 40085735 is about 342.2393562842.

The spelling of 40085735 in words is "forty million, eighty-five thousand, seven hundred thirty-five".