40671285 has 16 divisors (see below), whose sum is σ = 65992320. Its totient is φ = 21385280.

The previous prime is 40671283. The next prime is 40671329. The reversal of 40671285 is 58217604.

It is not a de Polignac number, because 40671285 - 2¹ = 40671283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40671283) 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, 18030 + ... + 20159.

It is an arithmetic number, because the mean of its divisors is an integer number (4124520).

Almost surely, 2^40671285 is an apocalyptic number.

It is an amenable number.

40671285 is a deficient number, since it is larger than the sum of its proper divisors (25321035).

40671285 is a wasteful number, since it uses less digits than its factorization.

40671285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38268.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 40671285 is about 6377.4042525153. The cubic root of 40671285 is about 343.8977211932.

Adding to 40671285 its reverse (58217604), we get a palindrome (98888889).

The spelling of 40671285 in words is "forty million, six hundred seventy-one thousand, two hundred eighty-five".