40370807 has 4 divisors (see below), whose sum is σ = 40502616. Its totient is φ = 40239000.

The previous prime is 40370797. The next prime is 40370833. The reversal of 40370807 is 70807304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40370807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40370807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65444 + ... + 66057.

It is an arithmetic number, because the mean of its divisors is an integer number (10125654).

Almost surely, 2^40370807 is an apocalyptic number.

40370807 is a deficient number, since it is larger than the sum of its proper divisors (131809).

40370807 is a wasteful number, since it uses less digits than its factorization.

40370807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131808.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40370807 is about 6353.8025622457. The cubic root of 40370807 is about 343.0487256071.

The spelling of 40370807 in words is "forty million, three hundred seventy thousand, eight hundred seven".