40765844 has 36 divisors (see below), whose sum is σ = 86605344. Its totient is φ = 16709616.

The previous prime is 40765843. The next prime is 40765859. The reversal of 40765844 is 44856704.

It is a junction number, because it is equal to n+sod(n) for n = 40765798 and 40765807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40765841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (2405704).

Almost surely, 2^40765844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40765844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43302672).

40765844 is an abundant number, since it is smaller than the sum of its proper divisors (45839500).

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

40765844 is a wasteful number, since it uses less digits than its factorization.

40765844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084 (or 9075 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 40765844 is about 6384.8135446542. The cubic root of 40765844 is about 344.1640307500.

The spelling of 40765844 in words is "forty million, seven hundred sixty-five thousand, eight hundred forty-four".