40849705 has 16 divisors (see below), whose sum is σ = 53519760. Its totient is φ = 29749248.

The previous prime is 40849681. The next prime is 40849729. The reversal of 40849705 is 50794804.

40849705 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 (40849681) and next prime (40849729).

It can be written as a sum of positive squares in 8 ways, for example, as 5363856 + 35485849 = 2316^2 + 5957^2 .

It is a cyclic number.

It is not a de Polignac number, because 40849705 - 2¹¹ = 40847657 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 441 + ... + 9049.

It is an arithmetic number, because the mean of its divisors is an integer number (3344985).

Almost surely, 2^40849705 is an apocalyptic number.

It is an amenable number.

40849705 is a deficient number, since it is larger than the sum of its proper divisors (12670055).

40849705 is a wasteful number, since it uses less digits than its factorization.

40849705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40849705 is about 6391.3773945841. The cubic root of 40849705 is about 344.3998668368.

The spelling of 40849705 in words is "forty million, eight hundred forty-nine thousand, seven hundred five".