40847715 has 12 divisors (see below), whose sum is σ = 70802784. Its totient is φ = 21785424.

The previous prime is 40847713. The next prime is 40847731. The reversal of 40847715 is 51774804.

It is not a de Polignac number, because 40847715 - 2¹ = 40847713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40847715.

It is not an unprimeable number, because it can be changed into a prime (40847711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453819 + ... + 453908.

It is an arithmetic number, because the mean of its divisors is an integer number (5900232).

Almost surely, 2^40847715 is an apocalyptic number.

40847715 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40847715 is a deficient number, since it is larger than the sum of its proper divisors (29955069).

40847715 is a wasteful number, since it uses less digits than its factorization.

40847715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907738 (or 907735 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 40847715 is about 6391.2217141952. The cubic root of 40847715 is about 344.3942742475.

The spelling of 40847715 in words is "forty million, eight hundred forty-seven thousand, seven hundred fifteen".