40993898 has 16 divisors (see below), whose sum is σ = 67206240. Its totient is φ = 18598800.

The previous prime is 40993879. The next prime is 40993903. The reversal of 40993898 is 89839904.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13133 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (4200390).

Almost surely, 2^40993898 is an apocalyptic number.

40993898 is a deficient number, since it is larger than the sum of its proper divisors (26212342).

40993898 is a wasteful number, since it uses less digits than its factorization.

40993898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 40993898 is about 6402.6477335552. The cubic root of 40993898 is about 344.8046166679.

It can be divided in two parts, 4099 and 3898, that added together give a palindrome (7997).

The spelling of 40993898 in words is "forty million, nine hundred ninety-three thousand, eight hundred ninety-eight".