40085958 has 16 divisors (see below), whose sum is σ = 87460416. Its totient is φ = 12147240.

The previous prime is 40085939. The next prime is 40085977. The reversal of 40085958 is 85958004.

40085958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40085939) and next prime (40085977).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303616 + ... + 303747.

It is an arithmetic number, because the mean of its divisors is an integer number (5466276).

Almost surely, 2^40085958 is an apocalyptic number.

40085958 is an abundant number, since it is smaller than the sum of its proper divisors (47374458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40085958 is a wasteful number, since it uses less digits than its factorization.

40085958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607379.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 40085958 is about 6331.3472499935. The cubic root of 40085958 is about 342.2399909176.

The spelling of 40085958 in words is "forty million, eighty-five thousand, nine hundred fifty-eight".