40650899 has 4 divisors (see below), whose sum is σ = 42790440. Its totient is φ = 38511360.

The previous prime is 40650881. The next prime is 40650917. The reversal of 40650899 is 99805604.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40650881) and next prime (40650917).

It is a cyclic number.

It is not a de Polignac number, because 40650899 - 2¹² = 40646803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40650299) 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 3 ways as a sum of consecutive naturals, for example, 1069742 + ... + 1069779.

It is an arithmetic number, because the mean of its divisors is an integer number (10697610).

Almost surely, 2^40650899 is an apocalyptic number.

40650899 is a deficient number, since it is larger than the sum of its proper divisors (2139541).

40650899 is a wasteful number, since it uses less digits than its factorization.

40650899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139540.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 40650899 is about 6375.8057530009. The cubic root of 40650899 is about 343.8402533703.

The spelling of 40650899 in words is "forty million, six hundred fifty thousand, eight hundred ninety-nine".