40342099 has 16 divisors (see below), whose sum is σ = 47819200. Its totient is φ = 33312384.

The previous prime is 40342091. The next prime is 40342117. The reversal of 40342099 is 99024304.

40342099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40342099 - 2³ = 40342091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40342099.

It is not an unprimeable number, because it can be changed into a prime (40342091) 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 15 ways as a sum of consecutive naturals, for example, 27517 + ... + 28945.

It is an arithmetic number, because the mean of its divisors is an integer number (2988700).

Almost surely, 2^40342099 is an apocalyptic number.

40342099 is a deficient number, since it is larger than the sum of its proper divisors (7477101).

40342099 is a wasteful number, since it uses less digits than its factorization.

40342099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40342099 is about 6351.5430408681. The cubic root of 40342099 is about 342.9673914380.

The spelling of 40342099 in words is "forty million, three hundred forty-two thousand, ninety-nine".