40947315 has 32 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 21108480.

The previous prime is 40947253. The next prime is 40947317. The reversal of 40947315 is 51374904.

It is not a de Polignac number, because 40947315 - 2¹⁰ = 40946291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40947317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85246 + ... + 85724.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^40947315 is an apocalyptic number.

40947315 is a deficient number, since it is larger than the sum of its proper divisors (26790285).

40947315 is a wasteful number, since it uses less digits than its factorization.

40947315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40947315 is about 6399.0089076356. The cubic root of 40947315 is about 344.6739620904.

The spelling of 40947315 in words is "forty million, nine hundred forty-seven thousand, three hundred fifteen".