40870965 has 16 divisors (see below), whose sum is σ = 66786048. Its totient is φ = 21333696.

The previous prime is 40870939. The next prime is 40870969. The reversal of 40870965 is 56907804.

It is not a de Polignac number, because 40870965 - 2⁵ = 40870933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40870969) 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, 28282 + ... + 29691.

It is an arithmetic number, because the mean of its divisors is an integer number (4174128).

Almost surely, 2^40870965 is an apocalyptic number.

It is an amenable number.

40870965 is a deficient number, since it is larger than the sum of its proper divisors (25915083).

40870965 is a wasteful number, since it uses less digits than its factorization.

40870965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58028.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 40870965 is about 6393.0403565127. The cubic root of 40870965 is about 344.4596034682.

The spelling of 40870965 in words is "forty million, eight hundred seventy thousand, nine hundred sixty-five".