40204214 has 16 divisors (see below), whose sum is σ = 61158240. Its totient is φ = 19820160.

The previous prime is 40204189. The next prime is 40204243. The reversal of 40204214 is 41240204.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40204192 and 40204201.

It is a congruent number.

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, 67502 + ... + 68094.

It is an arithmetic number, because the mean of its divisors is an integer number (3822390).

Almost surely, 2^40204214 is an apocalyptic number.

40204214 is a deficient number, since it is larger than the sum of its proper divisors (20954026).

40204214 is a wasteful number, since it uses less digits than its factorization.

40204214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40204214 is about 6340.6793011475. The cubic root of 40204214 is about 342.5762034075.

Adding to 40204214 its reverse (41240204), we get a palindrome (81444418).

The spelling of 40204214 in words is "forty million, two hundred four thousand, two hundred fourteen".