40406102 has 8 divisors (see below), whose sum is σ = 66119112. Its totient is φ = 18366400.

The previous prime is 40406083. The next prime is 40406129. The reversal of 40406102 is 20160404.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 918299 + ... + 918342.

It is an arithmetic number, because the mean of its divisors is an integer number (8264889).

Almost surely, 2^40406102 is an apocalyptic number.

40406102 is a deficient number, since it is larger than the sum of its proper divisors (25713010).

40406102 is a wasteful number, since it uses less digits than its factorization.

40406102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836654.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40406102 is about 6356.5794260750. The cubic root of 40406102 is about 343.1486689313.

Adding to 40406102 its reverse (20160404), we get a palindrome (60566506).

The spelling of 40406102 in words is "forty million, four hundred six thousand, one hundred two".