40102004 has 12 divisors (see below), whose sum is σ = 70223328. Its totient is φ = 20038200.

The previous prime is 40102001. The next prime is 40102033. The reversal of 40102004 is 40020104.

40102004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102001) 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, 9089 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (5851944).

Almost surely, 2^40102004 is an apocalyptic number.

It is an amenable number.

40102004 is a deficient number, since it is larger than the sum of its proper divisors (30121324).

40102004 is a wasteful number, since it uses less digits than its factorization.

40102004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40102004 is about 6332.6143100618. The cubic root of 40102004 is about 342.2856498847.

Adding to 40102004 its reverse (40020104), we get a palindrome (80122108).

The spelling of 40102004 in words is "forty million, one hundred two thousand, four".