40819207 has 16 divisors (see below), whose sum is σ = 48343680. Its totient is φ = 33976800.

The previous prime is 40819199. The next prime is 40819213. The reversal of 40819207 is 70291804.

It is not a de Polignac number, because 40819207 - 2³ = 40819199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40819217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17644 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (3021480).

Almost surely, 2^40819207 is an apocalyptic number.

40819207 is a deficient number, since it is larger than the sum of its proper divisors (7524473).

40819207 is a wasteful number, since it uses less digits than its factorization.

40819207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 40819207 is about 6388.9910784098. The cubic root of 40819207 is about 344.3141369466.

The spelling of 40819207 in words is "forty million, eight hundred nineteen thousand, two hundred seven".