40979599 has 8 divisors (see below), whose sum is σ = 43226240. Its totient is φ = 38741976.

The previous prime is 40979597. The next prime is 40979633. The reversal of 40979599 is 99597904.

40979599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40979599 - 2¹ = 40979597 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 (40979593) 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 7 ways as a sum of consecutive naturals, for example, 8422 + ... + 12364.

It is an arithmetic number, because the mean of its divisors is an integer number (5403280).

Almost surely, 2^40979599 is an apocalyptic number.

40979599 is a deficient number, since it is larger than the sum of its proper divisors (2246641).

40979599 is a wasteful number, since it uses less digits than its factorization.

40979599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 40979599 is about 6401.5309887557. The cubic root of 40979599 is about 344.7645218017.

It can be divided in two parts, 409 and 79599, that added together give a palindrome (80008).

The spelling of 40979599 in words is "forty million, nine hundred seventy-nine thousand, five hundred ninety-nine".