40438102 has 16 divisors (see below), whose sum is σ = 61401312. Its totient is φ = 19972800.

The previous prime is 40438081. The next prime is 40438141. The reversal of 40438102 is 20183404.

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 7 ways as a sum of consecutive naturals, for example, 88258 + ... + 88714.

It is an arithmetic number, because the mean of its divisors is an integer number (3837582).

Almost surely, 2^40438102 is an apocalyptic number.

40438102 is a deficient number, since it is larger than the sum of its proper divisors (20963210).

40438102 is a wasteful number, since it uses less digits than its factorization.

40438102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40438102 is about 6359.0960049366. The cubic root of 40438102 is about 343.2392316546.

The spelling of 40438102 in words is "forty million, four hundred thirty-eight thousand, one hundred two".