40844765 has 12 divisors (see below), whose sum is σ = 53075124. Its totient is φ = 30161664.

The previous prime is 40844743. The next prime is 40844773. The reversal of 40844765 is 56744804.

It can be written as a sum of positive squares in 6 ways, for example, as 2627641 + 38217124 = 1621^2 + 6182^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40844765 is a prime.

It is a super-3 number, since 3×40844765³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23324 + ... + 25013.

It is an arithmetic number, because the mean of its divisors is an integer number (4422927).

Almost surely, 2^40844765 is an apocalyptic number.

It is an amenable number.

40844765 is a deficient number, since it is larger than the sum of its proper divisors (12230359).

40844765 is a wasteful number, since it uses less digits than its factorization.

40844765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48368 (or 48355 counting only the distinct ones).

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

The square root of 40844765 is about 6390.9909247315. The cubic root of 40844765 is about 344.3859833915.

The spelling of 40844765 in words is "forty million, eight hundred forty-four thousand, seven hundred sixty-five".