40785037 has 12 divisors (see below), whose sum is σ = 42881076. Its totient is φ = 38754560.

The previous prime is 40785029. The next prime is 40785053. The reversal of 40785037 is 73058704.

40785037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 259081 + 40525956 = 509^2 + 6366^2 .

It is not a de Polignac number, because 40785037 - 2³ = 40785029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40784993 and 40785011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40785067) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 297633 + ... + 297769.

It is an arithmetic number, because the mean of its divisors is an integer number (3573423).

Almost surely, 2^40785037 is an apocalyptic number.

It is an amenable number.

40785037 is a deficient number, since it is larger than the sum of its proper divisors (2096039).

40785037 is an equidigital number, since it uses as much as digits as its factorization.

40785037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40785037 is about 6386.3163874021. The cubic root of 40785037 is about 344.2180343244.

The spelling of 40785037 in words is "forty million, seven hundred eighty-five thousand, thirty-seven".