40004210 has 16 divisors (see below), whose sum is σ = 72328896. Its totient is φ = 15930288.

The previous prime is 40004203. The next prime is 40004231. The reversal of 40004210 is 1240004.

It is a junction number, because it is equal to n+sod(n) for n = 40004191 and 40004200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6542 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (4520556).

Almost surely, 2^40004210 is an apocalyptic number.

40004210 is a deficient number, since it is larger than the sum of its proper divisors (32324686).

40004210 is a wasteful number, since it uses less digits than its factorization.

40004210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857.

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

The square root of 40004210 is about 6324.8881413034. Note that the first 3 decimals coincide. The cubic root of 40004210 is about 342.0071872456.

Adding to 40004210 its reverse (1240004), we get a palindrome (41244214).

The spelling of 40004210 in words is "forty million, four thousand, two hundred ten".