40030004 has 24 divisors (see below), whose sum is σ = 82225920. Its totient is φ = 16691616.

The previous prime is 40029989. The next prime is 40030027. The reversal of 40030004 is 40003004.

40030004 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18284 + ... + 20355.

It is an arithmetic number, because the mean of its divisors is an integer number (3426080).

Almost surely, 2^40030004 is an apocalyptic number.

It is an amenable number.

40030004 is an abundant number, since it is smaller than the sum of its proper divisors (42195916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40030004 is a wasteful number, since it uses less digits than its factorization.

40030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38687 (or 38685 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40030004 is about 6326.9269001625. The cubic root of 40030004 is about 342.0806781610.

Adding to 40030004 its reverse (40003004), we get a palindrome (80033008).

Subtracting from 40030004 its reverse (40003004), we obtain a cube (27000 = 30³).

It can be divided in two parts, 4003000 and 4, that added together give a palindrome (4003004).

The spelling of 40030004 in words is "forty million, thirty thousand, four", and thus it is an eban number.