40299705 has 24 divisors (see below), whose sum is σ = 72263880. Its totient is φ = 20751360.

The previous prime is 40299683. The next prime is 40299713. The reversal of 40299705 is 50799204.

It can be written as a sum of positive squares in 4 ways, for example, as 14197824 + 26101881 = 3768^2 + 5109^2 .

It is not a de Polignac number, because 40299705 - 2⁶ = 40299641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40299705.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14136 + ... + 16745.

It is an arithmetic number, because the mean of its divisors is an integer number (3010995).

Almost surely, 2^40299705 is an apocalyptic number.

40299705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40299705 is a deficient number, since it is larger than the sum of its proper divisors (31964175).

40299705 is a wasteful number, since it uses less digits than its factorization.

40299705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921 (or 30918 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 40299705 is about 6348.2048643691. The cubic root of 40299705 is about 342.8472121380.

The spelling of 40299705 in words is "forty million, two hundred ninety-nine thousand, seven hundred five".