40814207 has 6 divisors (see below), whose sum is σ = 47477808. Its totient is φ = 34983564.

The previous prime is 40814203. The next prime is 40814209. The reversal of 40814207 is 70241804.

It is not a de Polignac number, because 40814207 - 2² = 40814203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40814203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416423 + ... + 416520.

It is an arithmetic number, because the mean of its divisors is an integer number (7912968).

Almost surely, 2^40814207 is an apocalyptic number.

40814207 is a deficient number, since it is larger than the sum of its proper divisors (6663601).

40814207 is an equidigital number, since it uses as much as digits as its factorization.

40814207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832957 (or 832950 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 40814207 is about 6388.5997683373. The cubic root of 40814207 is about 344.3000778708.

The spelling of 40814207 in words is "forty million, eight hundred fourteen thousand, two hundred seven".