40081874 has 8 divisors (see below), whose sum is σ = 68711808. Its totient is φ = 17177940.

The previous prime is 40081871. The next prime is 40081883. The reversal of 40081874 is 47818004.

40081874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40081874.

It is not an unprimeable number, because it can be changed into a prime (40081871) 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 3 ways as a sum of consecutive naturals, for example, 1431482 + ... + 1431509.

It is an arithmetic number, because the mean of its divisors is an integer number (8588976).

Almost surely, 2^40081874 is an apocalyptic number.

40081874 is a deficient number, since it is larger than the sum of its proper divisors (28629934).

40081874 is a wasteful number, since it uses less digits than its factorization.

40081874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863000.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 40081874 is about 6331.0247195853. The cubic root of 40081874 is about 342.2283679315.

Adding to 40081874 its reverse (47818004), we get a palindrome (87899878).

The spelling of 40081874 in words is "forty million, eighty-one thousand, eight hundred seventy-four".