40085758 has 4 divisors (see below), whose sum is σ = 60128640. Its totient is φ = 20042878.

The previous prime is 40085753. The next prime is 40085767. The reversal of 40085758 is 85758004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40085753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021438 + ... + 10021441.

It is an arithmetic number, because the mean of its divisors is an integer number (15032160).

Almost surely, 2^40085758 is an apocalyptic number.

40085758 is a deficient number, since it is larger than the sum of its proper divisors (20042882).

40085758 is a wasteful number, since it uses less digits than its factorization.

40085758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042881.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 40085758 is about 6331.3314555471. The cubic root of 40085758 is about 342.2394217398.

The spelling of 40085758 in words is "forty million, eighty-five thousand, seven hundred fifty-eight".