40966599 has 4 divisors (see below), whose sum is σ = 54622136. Its totient is φ = 27311064.

The previous prime is 40966579. The next prime is 40966609. The reversal of 40966599 is 99566904.

It is a happy number.

40966599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-40966599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40966529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6827764 + ... + 6827769.

It is an arithmetic number, because the mean of its divisors is an integer number (13655534).

Almost surely, 2^40966599 is an apocalyptic number.

40966599 is a deficient number, since it is larger than the sum of its proper divisors (13655537).

40966599 is a wasteful number, since it uses less digits than its factorization.

40966599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13655536.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 40966599 is about 6400.5155261119. The cubic root of 40966599 is about 344.7280612789.

The spelling of 40966599 in words is "forty million, nine hundred sixty-six thousand, five hundred ninety-nine".