40311007 has 16 divisors (see below), whose sum is σ = 45407232. Its totient is φ = 35471520.

The previous prime is 40310993. The next prime is 40311013. The reversal of 40311007 is 70011304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40311007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311107) 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, 52873 + ... + 53629.

It is an arithmetic number, because the mean of its divisors is an integer number (2837952).

Almost surely, 2^40311007 is an apocalyptic number.

40311007 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40311007 is a deficient number, since it is larger than the sum of its proper divisors (5096225).

40311007 is a wasteful number, since it uses less digits than its factorization.

40311007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 40311007 is about 6349.0949748763. The cubic root of 40311007 is about 342.8792594943.

The spelling of 40311007 in words is "forty million, three hundred eleven thousand, seven".