40315007 has 16 divisors (see below), whose sum is σ = 43794432. Its totient is φ = 36973440.

The previous prime is 40315001. The next prime is 40315019. The reversal of 40315007 is 70051304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40315007 - 2¹⁰ = 40313983 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 40315007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40315001) 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, 153158 + ... + 153420.

It is an arithmetic number, because the mean of its divisors is an integer number (2737152).

Almost surely, 2^40315007 is an apocalyptic number.

40315007 is a deficient number, since it is larger than the sum of its proper divisors (3479425).

40315007 is a wasteful number, since it uses less digits than its factorization.

40315007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40315007 is about 6349.4099725880. The cubic root of 40315007 is about 342.8906002485.

The spelling of 40315007 in words is "forty million, three hundred fifteen thousand, seven".