40082438 has 16 divisors (see below), whose sum is σ = 69042240. Its totient is φ = 17260200.

The previous prime is 40082423. The next prime is 40082453. The reversal of 40082438 is 83428004.

It is an interprime number because it is at equal distance from previous prime (40082423) and next prime (40082453).

It is a self number, because there is not a number n which added to its sum of digits gives 40082438.

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, 47528 + ... + 48363.

It is an arithmetic number, because the mean of its divisors is an integer number (4315140).

Almost surely, 2^40082438 is an apocalyptic number.

40082438 is a deficient number, since it is larger than the sum of its proper divisors (28959802).

40082438 is a wasteful number, since it uses less digits than its factorization.

40082438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95923.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 40082438 is about 6331.0692619809. The cubic root of 40082438 is about 342.2299731117.

It can be divided in two parts, 4008 and 2438, that added together give a palindrome (6446).

The spelling of 40082438 in words is "forty million, eighty-two thousand, four hundred thirty-eight".